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32 vulnerabilities by opener_project
CVE-2026-51541 (GCVE-0-2026-51541)
Vulnerability from nvd – Published: 2026-07-13 00:00 – Updated: 2026-07-14 13:06
VLAI
EPSS
VEX
Summary
OpENer 2.3.0 (commit 76b95cf) has an out-of-bounds read issue in CIP message parsing when handling malformed explicit requests with a forged EPath size. An attacker can send a valid ENIP SendRRData frame carrying a very short CIP payload whose path_size field claims that many more path words are present than are actually available. Because the parser trusts the attacker-controlled path_size and continues decoding path segments without a remaining-length boundary, it reads beyond the end of the stack receive buffer.
Severity
9.1 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-14 13:06 UTC
CWE
- n/a
- CWE-125 - Out-of-bounds Read
Assigner
References
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CVE-2026-51540 (GCVE-0-2026-51540)
Vulnerability from nvd – Published: 2026-07-13 00:00 – Updated: 2026-07-14 16:27
VLAI
EPSS
VEX
Summary
OpENer 2.3.0 (master branch up to commit 76b95cf) is vulnerable to a severe memory corruption issue caused by an integer underflow in the processing of connected explicit messages (SendUnitData).
Severity
9.8 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-14 16:22 UTC
CWE
- n/a
- CWE-191 - Integer Underflow (Wrap or Wraparound)
Assigner
References
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CVE-2026-51538 (GCVE-0-2026-51538)
Vulnerability from nvd – Published: 2026-07-13 00:00 – Updated: 2026-07-14 13:13
VLAI
EPSS
VEX
Summary
EIPStackGroup OpENer 2.3.0 (commit 76b95cf) suffers from an Incorrect Access Control vulnerability in its handling of encapsulation sessions. When the server processes critical encapsulation commands, it verifies whether the provided session_handle exists in the global session list, but it fails to verify whether that handle belongs to the specific TCP connection issuing the request. Because there is no strong binding between a session handle and its originating socket, any attacker on the network can use a valid session handle created by another legitimate client to bypass access controls.
Severity
9.1 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-14 13:13 UTC
CWE
- n/a
- CWE-284 - Improper Access Control
Assigner
References
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CVE-2026-51537 (GCVE-0-2026-51537)
Vulnerability from nvd – Published: 2026-07-13 00:00 – Updated: 2026-07-14 13:16
VLAI
EPSS
VEX
Summary
EIPStackGroup OpENer 2.3.0 (commit 76b95cf) has an out-of-bounds read issue in Connection Manager handling of ForwardOpen requests when processing short malformed packets. An attacker can send a valid ENIP outer frame carrying a malformed CIP ForwardOpen/LargeForwardOpen request, causing the parser to continue reading fields even when request data is insufficient. This issue is remotely triggerable via network traffic and does not require authentication.
Severity
9.1 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-14 13:16 UTC
CWE
- n/a
- CWE-125 - Out-of-bounds Read
Assigner
References
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CVE-2026-51536 (GCVE-0-2026-51536)
Vulnerability from nvd – Published: 2026-07-13 00:00 – Updated: 2026-07-14 13:39
VLAI
EPSS
VEX
Summary
In OpENer 2.3.0 (commit 76b95cf) when parsing incoming CIP (Common Industrial Protocol) network packets, the length parameter is inconsistently typed across the call stack. Specifically, an upstream length calculated as an int is passed to a downstream function that expects an EipInt16 (a 16-bit signed integer). If a maliciously crafted packet with specific length fields is processed, the length parameter can overflow or be truncated into a negative value. This negative length bypasses subsequent bounds checking (due to signed/unsigned comparison issues) and is ultimately used in memory operations, leading to a Stack Buffer Overflow when reading data in DecodePaddedEPath.
Severity
9.1 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-14 13:39 UTC
CWE
- n/a
- CWE-190 - Integer Overflow or Wraparound
Assigner
References
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CVE-2022-43606 (GCVE-0-2022-43606)
Vulnerability from nvd – Published: 2023-03-16 20:02 – Updated: 2024-08-03 13:32
VLAI
EPSS
VEX
Summary
A use-of-uninitialized-pointer vulnerability exists in the Forward Open connection_management_entry functionality of EIP Stack Group OpENer development commit 58ee13c. A specially-crafted EtherNet/IP request can lead to use of a null pointer, causing the server to crash. An attacker can send a series of EtherNet/IP requests to trigger this vulnerability.
Severity
7.5 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-08-01 15:59 UTC
CWE
- CWE-824 - Access of Uninitialized Pointer
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| EIP Stack Group | OpENer |
Affected:
development commit 58ee13c
|
|
| opener_project | opener |
Affected:
0 , < 2022-10-18
(custom)
cpe:2.3:a:opener_project:opener:*:*:*:*:*:*:*:* |
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CVE-2022-43605 (GCVE-0-2022-43605)
Vulnerability from nvd – Published: 2023-03-16 20:14 – Updated: 2024-08-03 13:32
VLAI
EPSS
VEX
Summary
An out-of-bounds write vulnerability exists in the SetAttributeList attribute_count_request functionality of EIP Stack Group OpENer development commit 58ee13c. A specially crafted EtherNet/IP request can lead to an out of bounds write, potentially causing the server to crash or allow for remote code execution. An attacker can send a series of EtherNet/IP requests to trigger this vulnerability.
Severity
10 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-08-01 14:12 UTC
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| EIP Stack Group | OpENer |
Affected:
development commit 58ee13c
|
|
| opener_project | opener |
Affected:
0 , < 2022-10-18
(custom)
cpe:2.3:a:opener_project:opener:*:*:*:*:*:*:*:* |
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CVE-2022-43604 (GCVE-0-2022-43604)
Vulnerability from nvd – Published: 2023-03-16 20:14 – Updated: 2025-03-05 19:24
VLAI
EPSS
VEX
Summary
An out-of-bounds write vulnerability exists in the GetAttributeList attribute_count_request functionality of EIP Stack Group OpENer development commit 58ee13c. A specially crafted EtherNet/IP request can lead to an out-of-bounds write, potentially causing the server to crash or allow for remote code execution. An attacker can send a series of EtherNet/IP requests to trigger this vulnerability.
Severity
10 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-03-05 18:44 UTC
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| EIP Stack Group | OpENer |
Affected:
development commit 58ee13c
|
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CVE-2022-32434 (GCVE-0-2022-32434)
Vulnerability from nvd – Published: 2022-07-15 20:04 – Updated: 2024-08-03 07:39
VLAI
EPSS
VEX
Summary
EIPStackGroup OpENer v2.3.0 was discovered to contain a stack overflow via /bin/posix/src/ports/POSIX/OpENer+0x56073d.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/WaterDemo/ProtocolBugs/tree/main/bug | x_refsource_MISC |
| https://github.com/EIPStackGroup/OpENer/issues/374 | x_refsource_MISC |
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CVE-2021-27500 (GCVE-0-2021-27500)
Vulnerability from nvd – Published: 2022-05-12 19:20 – Updated: 2025-04-16 16:22
VLAI
EPSS
VEX
Title
EIPStackGroup OpENer Ethernet/IP Reachable Assertion
Summary
A specifically crafted packet sent by an attacker to EIPStackGroup OpENer EtherNet/IP commits and versions prior to Feb 10, 2021 may result in a denial-of-service condition.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-16 15:56 UTC
CWE
- CWE-617 - Reachable Assertion
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.cisa.gov/uscert/ics/advisories/icsa-2… | x_refsource_CONFIRM |
| https://github.com/EIPStackGroup/OpENer | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| EIPStackGroup | OpENer EtherNet/IP |
Affected:
unspecified , < Feb 10, 2021
(custom)
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CVE-2021-27498 (GCVE-0-2021-27498)
Vulnerability from nvd – Published: 2022-05-12 19:18 – Updated: 2025-04-16 16:22
VLAI
EPSS
VEX
Title
EIPStackGroup OpENer Ethernet/IP Reachable Assertion
Summary
A specifically crafted packet sent by an attacker to EIPStackGroup OpENer EtherNet/IP commits and versions prior to Feb 10, 2021 may result in a denial-of-service condition.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-16 15:56 UTC
CWE
- CWE-617 - Reachable Assertion
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.cisa.gov/uscert/ics/advisories/icsa-2… | x_refsource_CONFIRM |
| https://github.com/EIPStackGroup/OpENer | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| EIPStackGroup | OpENer EtherNet/IP |
Affected:
unspecified , < Feb 10, 2021
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CVE-2021-27482 (GCVE-0-2021-27482)
Vulnerability from nvd – Published: 2022-05-12 19:18 – Updated: 2025-04-16 16:22
VLAI
EPSS
VEX
Title
EIPStackGroup OpENer Ethernet/IP Out-of-bounds Read
Summary
A specifically crafted packet sent by an attacker to EIPStackGroup OpENer EtherNet/IP commits and versions prior to Feb 10, 2021 may allow the attacker to read arbitrary data.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-16 15:56 UTC
CWE
- CWE-125 - Out-of-bounds Read
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.cisa.gov/uscert/ics/advisories/icsa-2… | x_refsource_CONFIRM |
| https://github.com/EIPStackGroup/OpENer | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| EIPStackGroup | OpENer EtherNet/IP |
Affected:
unspecified , < Feb 10, 2021
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CVE-2021-27478 (GCVE-0-2021-27478)
Vulnerability from nvd – Published: 2022-05-12 19:17 – Updated: 2025-04-16 16:22
VLAI
EPSS
VEX
Title
EIPStackGroup OpENer Ethernet/IP Incorrect Conversion between Numeric Types
Summary
A specifically crafted packet sent by an attacker to EIPStackGroup OpENer EtherNet/IP commits and versions prior to Feb 10, 2021 may cause a denial-of-service condition.
Severity
8.2 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-16 15:56 UTC
CWE
- CWE-681 - Incorrect Conversion between Numeric Types
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.cisa.gov/uscert/ics/advisories/icsa-2… | x_refsource_CONFIRM |
| https://github.com/EIPStackGroup/OpENer | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
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| EIPStackGroup | OpENer EtherNet/IP |
Affected:
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CVE-2021-21777 (GCVE-0-2021-21777)
Vulnerability from nvd – Published: 2021-06-17 10:48 – Updated: 2024-08-03 18:23
VLAI
EPSS
VEX
Summary
An information disclosure vulnerability exists in the Ethernet/IP UDP handler functionality of EIP Stack Group OpENer 2.3 and development commit 8c73bf3. A specially crafted network request can lead to an out-of-bounds read.
Severity
8.6 (High)
CWE
- out of bounds read
Assigner
References
1 reference
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|---|---|
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Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | EIP Stack Group |
Affected:
EIP Stack Group OpENer 2.3 ,EIP Stack Group OpENer development commit 8c73bf3
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CVE-2020-13530 (GCVE-0-2020-13530)
Vulnerability from nvd – Published: 2020-12-11 03:21 – Updated: 2024-08-04 12:18
VLAI
EPSS
VEX
Summary
A denial-of-service vulnerability exists in the Ethernet/IP server functionality of the EIP Stack Group OpENer 2.3 and development commit 8c73bf3. A large number of network requests in a small span of time can cause the running program to stop. An attacker can send a sequence of requests to trigger this vulnerability.
Severity
7.5 (High)
CWE
- CWE-910 - Use of Expired File Descriptor
Assigner
References
1 reference
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|---|---|
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Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | EIP Stack Group |
Affected:
EIP Stack Group OpENer 2.3
Affected: EIP Stack Group OpENer development commit 8c73bf3 |
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CVE-2026-51540 (GCVE-0-2026-51540)
Vulnerability from cvelistv5 – Published: 2026-07-13 00:00 – Updated: 2026-07-14 16:27
VLAI
EPSS
VEX
Summary
OpENer 2.3.0 (master branch up to commit 76b95cf) is vulnerable to a severe memory corruption issue caused by an integer underflow in the processing of connected explicit messages (SendUnitData).
Severity
9.8 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-14 16:22 UTC
CWE
- n/a
- CWE-191 - Integer Underflow (Wrap or Wraparound)
Assigner
References
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CVE-2026-51538 (GCVE-0-2026-51538)
Vulnerability from cvelistv5 – Published: 2026-07-13 00:00 – Updated: 2026-07-14 13:13
VLAI
EPSS
VEX
Summary
EIPStackGroup OpENer 2.3.0 (commit 76b95cf) suffers from an Incorrect Access Control vulnerability in its handling of encapsulation sessions. When the server processes critical encapsulation commands, it verifies whether the provided session_handle exists in the global session list, but it fails to verify whether that handle belongs to the specific TCP connection issuing the request. Because there is no strong binding between a session handle and its originating socket, any attacker on the network can use a valid session handle created by another legitimate client to bypass access controls.
Severity
9.1 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-14 13:13 UTC
CWE
- n/a
- CWE-284 - Improper Access Control
Assigner
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CVE-2026-51536 (GCVE-0-2026-51536)
Vulnerability from cvelistv5 – Published: 2026-07-13 00:00 – Updated: 2026-07-14 13:39
VLAI
EPSS
VEX
Summary
In OpENer 2.3.0 (commit 76b95cf) when parsing incoming CIP (Common Industrial Protocol) network packets, the length parameter is inconsistently typed across the call stack. Specifically, an upstream length calculated as an int is passed to a downstream function that expects an EipInt16 (a 16-bit signed integer). If a maliciously crafted packet with specific length fields is processed, the length parameter can overflow or be truncated into a negative value. This negative length bypasses subsequent bounds checking (due to signed/unsigned comparison issues) and is ultimately used in memory operations, leading to a Stack Buffer Overflow when reading data in DecodePaddedEPath.
Severity
9.1 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-14 13:39 UTC
CWE
- n/a
- CWE-190 - Integer Overflow or Wraparound
Assigner
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CVE-2026-51541 (GCVE-0-2026-51541)
Vulnerability from cvelistv5 – Published: 2026-07-13 00:00 – Updated: 2026-07-14 13:06
VLAI
EPSS
VEX
Summary
OpENer 2.3.0 (commit 76b95cf) has an out-of-bounds read issue in CIP message parsing when handling malformed explicit requests with a forged EPath size. An attacker can send a valid ENIP SendRRData frame carrying a very short CIP payload whose path_size field claims that many more path words are present than are actually available. Because the parser trusts the attacker-controlled path_size and continues decoding path segments without a remaining-length boundary, it reads beyond the end of the stack receive buffer.
Severity
9.1 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-14 13:06 UTC
CWE
- n/a
- CWE-125 - Out-of-bounds Read
Assigner
References
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CVE-2026-51537 (GCVE-0-2026-51537)
Vulnerability from cvelistv5 – Published: 2026-07-13 00:00 – Updated: 2026-07-14 13:16
VLAI
EPSS
VEX
Summary
EIPStackGroup OpENer 2.3.0 (commit 76b95cf) has an out-of-bounds read issue in Connection Manager handling of ForwardOpen requests when processing short malformed packets. An attacker can send a valid ENIP outer frame carrying a malformed CIP ForwardOpen/LargeForwardOpen request, causing the parser to continue reading fields even when request data is insufficient. This issue is remotely triggerable via network traffic and does not require authentication.
Severity
9.1 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-14 13:16 UTC
CWE
- n/a
- CWE-125 - Out-of-bounds Read
Assigner
References
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CVE-2022-43605 (GCVE-0-2022-43605)
Vulnerability from cvelistv5 – Published: 2023-03-16 20:14 – Updated: 2024-08-03 13:32
VLAI
EPSS
VEX
Summary
An out-of-bounds write vulnerability exists in the SetAttributeList attribute_count_request functionality of EIP Stack Group OpENer development commit 58ee13c. A specially crafted EtherNet/IP request can lead to an out of bounds write, potentially causing the server to crash or allow for remote code execution. An attacker can send a series of EtherNet/IP requests to trigger this vulnerability.
Severity
10 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-08-01 14:12 UTC
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| EIP Stack Group | OpENer |
Affected:
development commit 58ee13c
|
|
| opener_project | opener |
Affected:
0 , < 2022-10-18
(custom)
cpe:2.3:a:opener_project:opener:*:*:*:*:*:*:*:* |
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CVE-2022-43604 (GCVE-0-2022-43604)
Vulnerability from cvelistv5 – Published: 2023-03-16 20:14 – Updated: 2025-03-05 19:24
VLAI
EPSS
VEX
Summary
An out-of-bounds write vulnerability exists in the GetAttributeList attribute_count_request functionality of EIP Stack Group OpENer development commit 58ee13c. A specially crafted EtherNet/IP request can lead to an out-of-bounds write, potentially causing the server to crash or allow for remote code execution. An attacker can send a series of EtherNet/IP requests to trigger this vulnerability.
Severity
10 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-03-05 18:44 UTC
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| EIP Stack Group | OpENer |
Affected:
development commit 58ee13c
|
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CVE-2022-43606 (GCVE-0-2022-43606)
Vulnerability from cvelistv5 – Published: 2023-03-16 20:02 – Updated: 2024-08-03 13:32
VLAI
EPSS
VEX
Summary
A use-of-uninitialized-pointer vulnerability exists in the Forward Open connection_management_entry functionality of EIP Stack Group OpENer development commit 58ee13c. A specially-crafted EtherNet/IP request can lead to use of a null pointer, causing the server to crash. An attacker can send a series of EtherNet/IP requests to trigger this vulnerability.
Severity
7.5 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-08-01 15:59 UTC
CWE
- CWE-824 - Access of Uninitialized Pointer
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| EIP Stack Group | OpENer |
Affected:
development commit 58ee13c
|
|
| opener_project | opener |
Affected:
0 , < 2022-10-18
(custom)
cpe:2.3:a:opener_project:opener:*:*:*:*:*:*:*:* |
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CVE-2022-32434 (GCVE-0-2022-32434)
Vulnerability from cvelistv5 – Published: 2022-07-15 20:04 – Updated: 2024-08-03 07:39
VLAI
EPSS
VEX
Summary
EIPStackGroup OpENer v2.3.0 was discovered to contain a stack overflow via /bin/posix/src/ports/POSIX/OpENer+0x56073d.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/WaterDemo/ProtocolBugs/tree/main/bug | x_refsource_MISC |
| https://github.com/EIPStackGroup/OpENer/issues/374 | x_refsource_MISC |
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CVE-2021-27500 (GCVE-0-2021-27500)
Vulnerability from cvelistv5 – Published: 2022-05-12 19:20 – Updated: 2025-04-16 16:22
VLAI
EPSS
VEX
Title
EIPStackGroup OpENer Ethernet/IP Reachable Assertion
Summary
A specifically crafted packet sent by an attacker to EIPStackGroup OpENer EtherNet/IP commits and versions prior to Feb 10, 2021 may result in a denial-of-service condition.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-16 15:56 UTC
CWE
- CWE-617 - Reachable Assertion
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.cisa.gov/uscert/ics/advisories/icsa-2… | x_refsource_CONFIRM |
| https://github.com/EIPStackGroup/OpENer | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| EIPStackGroup | OpENer EtherNet/IP |
Affected:
unspecified , < Feb 10, 2021
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CVE-2021-27498 (GCVE-0-2021-27498)
Vulnerability from cvelistv5 – Published: 2022-05-12 19:18 – Updated: 2025-04-16 16:22
VLAI
EPSS
VEX
Title
EIPStackGroup OpENer Ethernet/IP Reachable Assertion
Summary
A specifically crafted packet sent by an attacker to EIPStackGroup OpENer EtherNet/IP commits and versions prior to Feb 10, 2021 may result in a denial-of-service condition.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-16 15:56 UTC
CWE
- CWE-617 - Reachable Assertion
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.cisa.gov/uscert/ics/advisories/icsa-2… | x_refsource_CONFIRM |
| https://github.com/EIPStackGroup/OpENer | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| EIPStackGroup | OpENer EtherNet/IP |
Affected:
unspecified , < Feb 10, 2021
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CVE-2021-27482 (GCVE-0-2021-27482)
Vulnerability from cvelistv5 – Published: 2022-05-12 19:18 – Updated: 2025-04-16 16:22
VLAI
EPSS
VEX
Title
EIPStackGroup OpENer Ethernet/IP Out-of-bounds Read
Summary
A specifically crafted packet sent by an attacker to EIPStackGroup OpENer EtherNet/IP commits and versions prior to Feb 10, 2021 may allow the attacker to read arbitrary data.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-16 15:56 UTC
CWE
- CWE-125 - Out-of-bounds Read
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.cisa.gov/uscert/ics/advisories/icsa-2… | x_refsource_CONFIRM |
| https://github.com/EIPStackGroup/OpENer | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| EIPStackGroup | OpENer EtherNet/IP |
Affected:
unspecified , < Feb 10, 2021
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CVE-2021-27478 (GCVE-0-2021-27478)
Vulnerability from cvelistv5 – Published: 2022-05-12 19:17 – Updated: 2025-04-16 16:22
VLAI
EPSS
VEX
Title
EIPStackGroup OpENer Ethernet/IP Incorrect Conversion between Numeric Types
Summary
A specifically crafted packet sent by an attacker to EIPStackGroup OpENer EtherNet/IP commits and versions prior to Feb 10, 2021 may cause a denial-of-service condition.
Severity
8.2 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-16 15:56 UTC
CWE
- CWE-681 - Incorrect Conversion between Numeric Types
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.cisa.gov/uscert/ics/advisories/icsa-2… | x_refsource_CONFIRM |
| https://github.com/EIPStackGroup/OpENer | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| EIPStackGroup | OpENer EtherNet/IP |
Affected:
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CVE-2021-21777 (GCVE-0-2021-21777)
Vulnerability from cvelistv5 – Published: 2021-06-17 10:48 – Updated: 2024-08-03 18:23
VLAI
EPSS
VEX
Summary
An information disclosure vulnerability exists in the Ethernet/IP UDP handler functionality of EIP Stack Group OpENer 2.3 and development commit 8c73bf3. A specially crafted network request can lead to an out-of-bounds read.
Severity
8.6 (High)
CWE
- out of bounds read
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://talosintelligence.com/vulnerability_repor… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | EIP Stack Group |
Affected:
EIP Stack Group OpENer 2.3 ,EIP Stack Group OpENer development commit 8c73bf3
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CVE-2020-13530 (GCVE-0-2020-13530)
Vulnerability from cvelistv5 – Published: 2020-12-11 03:21 – Updated: 2024-08-04 12:18
VLAI
EPSS
VEX
Summary
A denial-of-service vulnerability exists in the Ethernet/IP server functionality of the EIP Stack Group OpENer 2.3 and development commit 8c73bf3. A large number of network requests in a small span of time can cause the running program to stop. An attacker can send a sequence of requests to trigger this vulnerability.
Severity
7.5 (High)
CWE
- CWE-910 - Use of Expired File Descriptor
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://talosintelligence.com/vulnerability_repor… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | EIP Stack Group |
Affected:
EIP Stack Group OpENer 2.3
Affected: EIP Stack Group OpENer development commit 8c73bf3 |
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