Common Weakness Enumeration
CWE-798
Allowed-with-ReviewUse of Hard-coded Credentials
Abstraction: Base · Status: Draft
The product contains hard-coded credentials, such as a password or cryptographic key.
2173 vulnerabilities reference this CWE, most recent first.
CVE-2021-40342 (GCVE-0-2021-40342)
Vulnerability from cvelistv5 – Published: 2023-01-05 21:27 – Updated: 2025-04-10 14:07
VLAI
EPSS
VEX
Title
Use of default key for encryption
Summary
In the DES implementation, the affected product versions use a default key for encryption. Successful exploitation allows an attacker to obtain sensitive information and gain access to the network elements that are managed by the affected products versions.
This issue affects
* FOXMAN-UN product: FOXMAN-UN R16A, FOXMAN-UN R15B, FOXMAN-UN R15A, FOXMAN-UN R14B, FOXMAN-UN R14A, FOXMAN-UN R11B, FOXMAN-UN R11A, FOXMAN-UN R10C, FOXMAN-UN R9C;
* UNEM product: UNEM R16A, UNEM R15B, UNEM R15A, UNEM R14B, UNEM R14A, UNEM R11B, UNEM R11A, UNEM R10C, UNEM R9C.
List of CPEs:
* cpe:2.3:a:hitachienergy:foxman-un:R16A:*:*:*:*:*:*:*
* cpe:2.3:a:hitachienergy:foxman-un:R15B:*:*:*:*:*:*:*
* cpe:2.3:a:hitachienergy:foxman-un:R15A:*:*:*:*:*:*:*
* cpe:2.3:a:hitachienergy:foxman-un:R14B:*:*:*:*:*:*:*
* cpe:2.3:a:hitachienergy:foxman-un:R14A:*:*:*:*:*:*:*
* cpe:2.3:a:hitachienergy:foxman-un:R11B:*:*:*:*:*:*:*
* cpe:2.3:a:hitachienergy:foxman-un:R11A:*:*:*:*:*:*:*
* cpe:2.3:a:hitachienergy:foxman-un:R10C:*:*:*:*:*:*:*
* cpe:2.3:a:hitachienergy:foxman-un:R9C:*:*:*:*:*:*:*
* cpe:2.3:a:hitachienergy:unem:R16A:*:*:*:*:*:*:*
* cpe:2.3:a:hitachienergy:unem:R15B:*:*:*:*:*:*:*
* cpe:2.3:a:hitachienergy:unem:R15A:*:*:*:*:*:*:*
* cpe:2.3:a:hitachienergy:unem:R14B:*:*:*:*:*:*:*
* cpe:2.3:a:hitachienergy:unem:R14A:*:*:*:*:*:*:*
* cpe:2.3:a:hitachienergy:unem:R11B:*:*:*:*:*:*:*
* cpe:2.3:a:hitachienergy:unem:R11A:*:*:*:*:*:*:*
* cpe:2.3:a:hitachienergy:unem:R10C:*:*:*:*:*:*:*
* cpe:2.3:a:hitachienergy:unem:R9C:*:*:*:*:*:*:*
Severity
7.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-798 - Use of Hard-coded Credentials
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Hitachi Energy | FOXMAN-UN |
Affected:
FOXMAN-UN R16A
Affected: FOXMAN-UN R15B Affected: FOXMAN-UN R15A Affected: FOXMAN-UN R14B Affected: FOXMAN-UN R14A Affected: FOXMAN-UN R11B Affected: FOXMAN-UN R11A Affected: FOXMAN-UN R10C Affected: FOXMAN-UN R9C |
|
| Hitachi Energy | UNEM |
Affected:
UNEM R16A
Affected: UNEM R15B Affected: UNEM R15A Affected: UNEM R14B Affected: UNEM R14A Affected: UNEM R11B Affected: UNEM R11A Affected: UNEM R10C Affected: UNEM R9C |
Date Public
2022-12-13 13:30
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CVE-2021-35961 (GCVE-0-2021-35961)
Vulnerability from cvelistv5 – Published: 2021-07-16 15:20 – Updated: 2024-09-17 01:16
VLAI
EPSS
VEX
Title
TAIWAN SECOM CO., LTD., Door Access Control and Personnel Attendance Management system - Use of Hard-coded Credentials
Summary
Dr. ID Door Access Control and Personnel Attendance Management system uses the hard-code admin default credentials that allows remote attackers to access the system through the default password and obtain the highest permission.
Severity
9.8 (Critical)
CWE
- CWE-798 - Use of Hard-coded Credentials
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.twcert.org.tw/tw/cp-132-4905-c99ac-1.html | x_refsource_MISC |
| https://www.chtsecurity.com/news/2e4e69d5-2e32-4f… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| TAIWAN SECOM CO., LTD., | Door Access Control and Personnel Attendance Management system |
Affected:
unspecified , ≤ 3.4.0.0.3.12_20210525
(custom)
|
Date Public
2021-07-15 00:00
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CVE-2021-35252 (GCVE-0-2021-35252)
Vulnerability from cvelistv5 – Published: 2022-12-16 00:00 – Updated: 2025-04-17 20:18
VLAI
EPSS
VEX
Title
Common Key Vulnerability in Serv-U FTP Server
Summary
Common encryption key appears to be used across all deployed instances of Serv-U FTP Server. Because of this an encrypted value that is exposed to an attacker can be simply recovered to plaintext.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-798 - Use of Hard-coded Credentials
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| SolarWinds | Serv-U FTP Server |
Affected:
15.3.0
|
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CVE-2021-35232 (GCVE-0-2021-35232)
Vulnerability from cvelistv5 – Published: 2021-12-27 18:48 – Updated: 2024-09-17 03:44
VLAI
EPSS
VEX
Title
Hard credentials discovered in SolarWinds Web Help Desk which allows to execute Arbitrary Hibernate Queries
Summary
Hard coded credentials discovered in SolarWinds Web Help Desk product. Through these credentials, the attacker with local access to the Web Help Desk host machine allows to execute arbitrary HQL queries against the database and leverage the vulnerability to steal the password hashes of the users or insert arbitrary data into the database.
Severity
6.8 (Medium)
CWE
- CWE-798 - Exposure of Sensitive Information to an Unauthorized Actor
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.solarwinds.com/trust-center/security-… | x_refsource_MISC |
| https://support.solarwinds.com/SuccessCenter/s/ar… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| SolarWinds | Web Help Desk |
Affected:
12.7.7 and previous versions , < 12.7.7 HF 1
(custom)
|
Date Public
2021-12-21 16:00
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CVE-2021-34812 (GCVE-0-2021-34812)
Vulnerability from cvelistv5 – Published: 2021-06-18 03:00 – Updated: 2024-09-17 01:31
VLAI
EPSS
VEX
Summary
Use of hard-coded credentials vulnerability in php component in Synology Calendar before 2.4.0-0761 allows remote attackers to obtain sensitive information via unspecified vectors.
Severity
5.8 (Medium)
CWE
- CWE-798 - Use of Hard-coded Credentials
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.synology.com/security/advisory/Synolo… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Synology | Synology Calendar |
Affected:
unspecified , < 2.4.0-0761
(custom)
|
Date Public
2021-06-17 00:00
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CVE-2021-34577 (GCVE-0-2021-34577)
Vulnerability from cvelistv5 – Published: 2022-11-09 16:11 – Updated: 2025-05-01 19:16
VLAI
EPSS
VEX
Title
Hardcoded credentials in Kaden PICOFLUX AiR
Summary
In the Kaden PICOFLUX AiR water meter an adversary can read the values through wireless M-Bus mode 5 with a hardcoded shared key while being adjacent to the device.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-798 - Use of Hard-coded Credentials
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Kaden | PICOFLUX AiR |
Affected:
all
|
Date Public
2021-09-16 10:00
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CVE-2021-34571 (GCVE-0-2021-34571)
Vulnerability from cvelistv5 – Published: 2021-09-16 12:20 – Updated: 2024-09-16 16:13
VLAI
EPSS
VEX
Title
Hard-coded Credentials in Enbra Wireless M-Bus devices
Summary
Multiple Wireless M-Bus devices by Enbra use Hard-coded Credentials in Security mode 5 without an option to change the encryption key. An adversary can learn all information that is available in Enbra EWM.
Severity
6.5 (Medium)
CWE
- CWE-798 - Use of Hard-coded Credentials
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.fit.vutbr.cz/~polcak/CVE-2021-34571.en | x_refsource_CONFIRM |
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| Enbra | AT-WMBUS-16-2 |
Unknown:
all
|
|
| Enbra | ER-AM DN 15 |
Unknown:
ER-AM DN 15/SV all
Unknown: ER-AM DN 15/TV all |
|
| Enbra | EWM 1.7.29 |
Affected:
03.11.2019
|
Date Public
2021-08-31 00:00
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CVE-2021-34565 (GCVE-0-2021-34565)
Vulnerability from cvelistv5 – Published: 2021-08-31 10:33 – Updated: 2024-09-17 03:22
VLAI
EPSS
VEX
Title
In WirelessHART-Gateway versions 3.0.7 to 3.0.9 hard-coded credentials have been found
Summary
In PEPPERL+FUCHS WirelessHART-Gateway 3.0.7 to 3.0.9 the SSH and telnet services are active with hard-coded credentials.
Severity
9.8 (Critical)
CWE
- CWE-798 - Use of Hard-coded Credentials
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://cert.vde.com/en-us/advisories/vde-2021-027 | x_refsource_CONFIRM |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Phoenix Contact | WHA-GW-F2D2-0-AS- Z2-ETH |
Affected:
3.0.7 , < 3.0.7*
(custom)
Affected: 3.0.9 , ≤ 3.0.9 (custom) |
|
| Phoenix Contact | WHA-GW-F2D2-0-AS- Z2-ETH.EIP |
Affected:
3.0.7 , < 3.0.7*
(custom)
Affected: 3.0.9 , ≤ 3.0.9 (custom) |
Date Public
2021-08-16 00:00
Credits
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CVE-2021-33540 (GCVE-0-2021-33540)
Vulnerability from cvelistv5 – Published: 2021-06-25 18:26 – Updated: 2024-09-17 03:18
VLAI
EPSS
VEX
Title
Phoenix Contact: Undocumented FTP acces in certain AXL F BK and IL BK devices
Summary
In certain devices of the Phoenix Contact AXL F BK and IL BK product families an undocumented password protected FTP access to the root directory exists.
Severity
7.3 (High)
CWE
- CWE-798 - Use of Hard-coded Credentials
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://cert.vde.com/en-us/advisories/vde-2021-021 | x_refsource_CONFIRM |
Impacted products
5 products
| Vendor | Product | Version | |
|---|---|---|---|
| Phoenix Contact | AXL F BK |
Affected:
AXL F PN TPS XC (1068857) , < 1.30
(custom)
Affected: AXL F EIP EF (2702782) , < 1.30 (custom) |
|
| Phoenix Contact | AXL F BK |
Affected:
AXL F PN TPS (2403869) , < 1.30
(custom)
|
|
| Phoenix Contact | AXL F BK |
Affected:
AXL F EIP (2688394) , < 1.30
(custom)
Affected: AXL F ETH (2688459) , < 1.30 (custom) Affected: AXL F ETH XC (2701949) , < 1.30 (custom) Affected: AXL F S3 (2701686) , < 1.40 (custom) |
|
| Phoenix Contact | AXL F BK |
Affected:
AXL F PN (2701815) all revisions
Affected: AXL F PN XC (2701222) all revisions Affected: AXL F ETH NET2 (2702177) all revisions Affected: AXL F SAS (2701457) all revisions |
|
| Phoenix Contact | IL |
Affected:
IL PN BK-PAC (2403696) all revisions
Affected: IL PN BK DI8 DO4 2TX-PAC (2703994) all revisions Affected: IL PN BK DI8 DO4 2SCRJ-PAC (2878379) all revisions Affected: IL ETH BK DI8 DO4 2TX-XC-PAC (2701388) all revisions Affected: IL ETH BK DI8 DO4 2TX-PAC (2703981) all revisions Affected: IL EIP BK DI8 DO4 2TX-PAC (2897758) all revisions Affected: IL S3 BK DI8 DO4 2TX-PAC (2692380) all revisions |
Date Public
2021-06-23 00:00
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CVE-2021-33531 (GCVE-0-2021-33531)
Vulnerability from cvelistv5 – Published: 2021-06-25 18:25 – Updated: 2024-09-16 23:16
VLAI
EPSS
VEX
Title
WEIDMUELLER: WLAN devices affected by Hard-coded Credentials vulnerability
Summary
In Weidmueller Industrial WLAN devices in multiple versions an exploitable use of hard-coded credentials vulnerability exists in multiple iw_* utilities. The device operating system contains an undocumented encryption password, allowing for the creation of custom diagnostic scripts. An attacker can send diagnostic scripts while authenticated as a low privilege user to trigger this vulnerability.
Severity
8.8 (High)
CWE
- CWE-798 - Use of Hard-coded Credentials
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://cert.vde.com/en-us/advisories/vde-2021-026 | x_refsource_CONFIRM |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Weidmüller | IE-WL(T)-BL-AP-CL-XX |
Affected:
IE-WL-BL-AP-CL-EU (2536600000) , ≤ V1.16.18 (Build 18081617)
(custom)
Affected: IE-WLT-BL-AP-CL-EU (2536650000) , ≤ V1.16.18 (Build 18081617) (custom) Affected: IE-WL-BL-AP-CL-US (2536660000) , ≤ V1.16.18 (Build 18081617) (custom) Affected: IE-WLT-BL-AP-CL-US (2536670000) , ≤ V1.16.18 (Build 18081617) (custom) |
|
| Weidmüller | IE-WL(T)-VL-AP-CL-XX |
Affected:
IE-WL-VL-AP-BR-CL-EU (2536680000) , ≤ V1.11.10 (Build 18122616)
(custom)
Affected: IE-WLT-VL-AP-BR-CL-EU (2536690000) , ≤ V1.11.10 (Build 18122616) (custom) Affected: IE-WL-VL-AP-BR-CL-US (2536700000) , ≤ V1.11.10 (Build 18122616) (custom) Affected: IE-WLT-VL-AP-BR-CL-US (2536710000) , ≤ V1.11.10 (Build 18122616) (custom) |
Date Public
2021-06-23 00:00
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Mitigation
Architecture and Design
- For outbound authentication: store passwords, keys, and other credentials outside of the code in a strongly-protected, encrypted configuration file or database that is protected from access by all outsiders, including other local users on the same system. Properly protect the key (CWE-320). If you cannot use encryption to protect the file, then make sure that the permissions are as restrictive as possible [REF-7].
- In Windows environments, the Encrypted File System (EFS) may provide some protection.
Mitigation
Architecture and Design
For inbound authentication: Rather than hard-code a default username and password, key, or other authentication credentials for first time logins, utilize a "first login" mode that requires the user to enter a unique strong password or key.
Mitigation
Architecture and Design
If the product must contain hard-coded credentials or they cannot be removed, perform access control checks and limit which entities can access the feature that requires the hard-coded credentials. For example, a feature might only be enabled through the system console instead of through a network connection.
Mitigation
Architecture and Design
- For inbound authentication using passwords: apply strong one-way hashes to passwords and store those hashes in a configuration file or database with appropriate access control. That way, theft of the file/database still requires the attacker to try to crack the password. When handling an incoming password during authentication, take the hash of the password and compare it to the saved hash.
- Use randomly assigned salts for each separate hash that is generated. This increases the amount of computation that an attacker needs to conduct a brute-force attack, possibly limiting the effectiveness of the rainbow table method.
Mitigation
Architecture and Design
- For front-end to back-end connections: Three solutions are possible, although none are complete.
- The first suggestion involves the use of generated passwords or keys that are changed automatically and must be entered at given time intervals by a system administrator. These passwords will be held in memory and only be valid for the time intervals.
- Next, the passwords or keys should be limited at the back end to only performing actions valid for the front end, as opposed to having full access.
- Finally, the messages sent should be tagged and checksummed with time sensitive values so as to prevent replay-style attacks.
CAPEC-191: Read Sensitive Constants Within an Executable
An adversary engages in activities to discover any sensitive constants present within the compiled code of an executable. These constants may include literal ASCII strings within the file itself, or possibly strings hard-coded into particular routines that can be revealed by code refactoring methods including static and dynamic analysis.
CAPEC-70: Try Common or Default Usernames and Passwords
An adversary may try certain common or default usernames and passwords to gain access into the system and perform unauthorized actions. An adversary may try an intelligent brute force using empty passwords, known vendor default credentials, as well as a dictionary of common usernames and passwords. Many vendor products come preconfigured with default (and thus well-known) usernames and passwords that should be deleted prior to usage in a production environment. It is a common mistake to forget to remove these default login credentials. Another problem is that users would pick very simple (common) passwords (e.g. "secret" or "password") that make it easier for the attacker to gain access to the system compared to using a brute force attack or even a dictionary attack using a full dictionary.