Common Weakness Enumeration
CWE-347
AllowedImproper Verification of Cryptographic Signature
Abstraction: Base · Status: Draft
The product does not verify, or incorrectly verifies, the cryptographic signature for data.
1127 vulnerabilities reference this CWE, most recent first.
CVE-2023-5347 (GCVE-0-2023-5347)
Vulnerability from cvelistv5 – Published: 2024-01-09 09:54 – Updated: 2025-10-08 09:10
VLAI
EPSS
VEX
Title
Unauthenticated Firmware Upgrade
Summary
An Improper Verification of Cryptographic Signature vulnerability in the update process of Korenix JetNet Series allows replacing the whole operating system including Trusted Executables. This issue affects JetNet devices older than firmware version 2024/01.
Severity
9.8 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Korenix | JetNet Series |
Affected:
firmware older than 2024/01
|
Credits
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CVE-2023-3347 (GCVE-0-2023-3347)
Vulnerability from cvelistv5 – Published: 2023-07-20 14:54 – Updated: 2025-11-20 17:26
VLAI
EPSS
VEX
Title
Samba: smb2 packet signing is not enforced when "server signing = required" is set
Summary
A vulnerability was found in Samba's SMB2 packet signing mechanism. The SMB2 packet signing is not enforced if an admin configured "server signing = required" or for SMB2 connections to Domain Controllers where SMB2 packet signing is mandatory. This flaw allows an attacker to perform attacks, such as a man-in-the-middle attack, by intercepting the network traffic and modifying the SMB2 messages between client and server, affecting the integrity of the data.
Severity
5.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
9 references
| URL | Tags |
|---|---|
| https://access.redhat.com/errata/RHSA-2023:4325 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2023:4328 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/security/cve/CVE-2023-3347 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2222792 | issue-trackingx_refsource_REDHAT |
| https://www.samba.org/samba/security/CVE-2023-3347.html | |
| https://lists.fedoraproject.org/archives/list/pac… | x_transferred |
| https://lists.fedoraproject.org/archives/list/pac… | x_transferred |
| https://security.netapp.com/advisory/ntap-2023073… | x_transferred |
| https://www.debian.org/security/2023/dsa-5477 | x_transferred |
Impacted products
5 products
| Vendor | Product | Version | |
|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 8 |
Unaffected:
0:4.17.5-3.el8_8 , < *
(rpm)
cpe:/o:redhat:enterprise_linux:8::baseos cpe:/a:redhat:enterprise_linux:8::appstream cpe:/a:redhat:enterprise_linux:8::crb |
|
| Red Hat | Red Hat Enterprise Linux 9 |
Unaffected:
0:4.17.5-103.el9_2 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:9::appstream cpe:/o:redhat:enterprise_linux:9::baseos cpe:/a:redhat:enterprise_linux:9::crb cpe:/a:redhat:enterprise_linux:9::resilientstorage |
|
| Red Hat | Red Hat Enterprise Linux 6 |
cpe:/o:redhat:enterprise_linux:6 |
|
| Red Hat | Red Hat Enterprise Linux 7 |
cpe:/o:redhat:enterprise_linux:7 |
|
| Red Hat | Red Hat Storage 3 |
cpe:/a:redhat:storage:3 |
Date Public
2023-07-19 00:00
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CVE-2023-2030 (GCVE-0-2023-2030)
Vulnerability from cvelistv5 – Published: 2024-01-12 13:57 – Updated: 2025-11-20 04:06
VLAI
EPSS
VEX
Title
Improper Verification of Cryptographic Signature in GitLab
Summary
An issue has been discovered in GitLab CE/EE affecting all versions from 12.2 prior to 16.5.6, 16.6 prior to 16.6.4, and 16.7 prior to 16.7.2 in which an attacker could potentially modify the metadata of signed commits.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-347 - Improper Verification of Cryptographic Signature
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://gitlab.com/gitlab-org/gitlab/-/issues/407252 | issue-tracking |
| https://hackerone.com/reports/1929929 | technical-descriptionexploitpermissions-required |
Impacted products
Credits
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CVE-2022-46176 (GCVE-0-2022-46176)
Vulnerability from cvelistv5 – Published: 2023-01-11 20:07 – Updated: 2025-03-10 21:30
VLAI
EPSS
VEX
Title
Cargo did not verify SSH host keys
Summary
Cargo is a Rust package manager. The Rust Security Response WG was notified that Cargo did not perform SSH host key verification when cloning indexes and dependencies via SSH. An attacker could exploit this to perform man-in-the-middle (MITM) attacks. This vulnerability has been assigned CVE-2022-46176. All Rust versions containing Cargo before 1.66.1 are vulnerable. Note that even if you don't explicitly use SSH for alternate registry indexes or crate dependencies, you might be affected by this vulnerability if you have configured git to replace HTTPS connections to GitHub with SSH (through git's [`url.<base>.insteadOf`][1] setting), as that'd cause you to clone the crates.io index through SSH. Rust 1.66.1 will ensure Cargo checks the SSH host key and abort the connection if the server's public key is not already trusted. We recommend everyone to upgrade as soon as possible.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-347 - Improper Verification of Cryptographic Signature
Assigner
References
4 references
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CVE-2022-41669 (GCVE-0-2022-41669)
Vulnerability from cvelistv5 – Published: 2022-11-04 00:00 – Updated: 2025-05-02 18:28
VLAI
EPSS
VEX
Summary
A CWE-347: Improper Verification of Cryptographic Signature vulnerability exists in the SGIUtility component that allows adversaries with local user privileges to load a malicious DLL which could result in execution of malicious code. Affected Products: EcoStruxure Operator Terminal Expert(V3.3 Hotfix 1 or prior), Pro-face BLUE(V3.3 Hotfix1 or prior).
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-347 - Improper Verification of Cryptographic Signature
Assigner
References
1 reference
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Schneider Electric | EcoStruxure Operator Terminal Expert |
Affected:
V3.3 , ≤ Hotfix 1
(custom)
|
|
| Schneider Electric | Pro-face BLUE |
Affected:
V3.3 , ≤ Hotfix 1
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CVE-2022-41666 (GCVE-0-2022-41666)
Vulnerability from cvelistv5 – Published: 2022-11-04 00:00 – Updated: 2025-05-02 18:26
VLAI
EPSS
VEX
Summary
A CWE-347: Improper Verification of Cryptographic Signature vulnerability exists that allows adversaries with local user privileges to load a malicious DLL which could lead to execution of malicious code. Affected Products: EcoStruxure Operator Terminal Expert(V3.3 Hotfix 1 or prior), Pro-face BLUE(V3.3 Hotfix1 or prior).
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-347 - Improper Verification of Cryptographic Signature
Assigner
References
1 reference
Impacted products
2 products
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|---|---|---|---|
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Affected:
V3.3 , ≤ Hotfix 1
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|
|
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Affected:
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CVE-2022-39300 (GCVE-0-2022-39300)
Vulnerability from cvelistv5 – Published: 2022-10-13 00:00 – Updated: 2025-04-23 16:50
VLAI
EPSS
VEX
Title
Signature bypass via multiple root elements in node-SAML
Summary
node SAML is a SAML 2.0 library based on the SAML implementation of passport-saml. A remote attacker may be able to bypass SAML authentication on a website using passport-saml. A successful attack requires that the attacker is in possession of an arbitrary IDP signed XML element. Depending on the IDP used, fully unauthenticated attacks (e.g without access to a valid user) might also be feasible if generation of a signed message can be triggered. Users should upgrade to node-saml version 4.0.0-beta5 or newer. Disabling SAML authentication may be done as a workaround.
Severity
7.7 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-347 - Improper Verification of Cryptographic Signature
Assigner
References
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CVE-2022-39299 (GCVE-0-2022-39299)
Vulnerability from cvelistv5 – Published: 2022-10-12 00:00 – Updated: 2025-04-23 16:51
VLAI
EPSS
VEX
Title
Signature bypass via multiple root elements in Passport-SAML
Summary
Passport-SAML is a SAML 2.0 authentication provider for Passport, the Node.js authentication library. A remote attacker may be able to bypass SAML authentication on a website using passport-saml. A successful attack requires that the attacker is in possession of an arbitrary IDP signed XML element. Depending on the IDP used, fully unauthenticated attacks (e.g without access to a valid user) might also be feasible if generation of a signed message can be triggered. Users should upgrade to passport-saml version 3.2.2 or newer. The issue was also present in the beta releases of `node-saml` before version 4.0.0-beta.5. If you cannot upgrade, disabling SAML authentication may be done as a workaround.
Severity
7.4 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-347 - Improper Verification of Cryptographic Signature
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| node-saml | passport-saml |
Affected:
< 3.2.2
|
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CVE-2022-39237 (GCVE-0-2022-39237)
Vulnerability from cvelistv5 – Published: 2022-10-06 00:00 – Updated: 2025-04-23 16:53
VLAI
EPSS
VEX
Title
Digital Signature Hash Algorithms Not Validated in sylabs/sif
Summary
syslabs/sif is the Singularity Image Format (SIF) reference implementation. In versions prior to 2.8.1the `github.com/sylabs/sif/v2/pkg/integrity` package did not verify that the hash algorithm(s) used are cryptographically secure when verifying digital signatures. A patch is available in version >= v2.8.1 of the module. Users are encouraged to upgrade. Users unable to upgrade may independently validate that the hash algorithm(s) used for metadata digest(s) and signature hash are cryptographically secure.
Severity
6.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-347 - Improper Verification of Cryptographic Signature
Assigner
References
3 references
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CVE-2022-39200 (GCVE-0-2022-39200)
Vulnerability from cvelistv5 – Published: 2022-09-12 20:10 – Updated: 2025-04-23 17:12
VLAI
EPSS
VEX
Title
Signature checks not applied to some retrieved missing events
Summary
Dendrite is a Matrix homeserver written in Go. In affected versions events retrieved from a remote homeserver using the `/get_missing_events` path did not have their signatures verified correctly. This could potentially allow a remote homeserver to provide invalid/modified events to Dendrite via this endpoint. Note that this does not apply to events retrieved through other endpoints (e.g. `/event`, `/state`) as they have been correctly verified. Homeservers that have federation disabled are not vulnerable. The problem has been fixed in Dendrite 0.9.8. Users are advised to upgrade. There are no known workarounds for this issue.
Severity
7.3 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-347 - Improper Verification of Cryptographic Signature
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/matrix-org/dendrite/security/a… | x_refsource_CONFIRM |
| https://github.com/matrix-org/dendrite/commit/279… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| matrix-org | dendrite |
Affected:
< 0.9.8
|
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No mitigation information available for this CWE.
CAPEC-463: Padding Oracle Crypto Attack
An adversary is able to efficiently decrypt data without knowing the decryption key if a target system leaks data on whether or not a padding error happened while decrypting the ciphertext. A target system that leaks this type of information becomes the padding oracle and an adversary is able to make use of that oracle to efficiently decrypt data without knowing the decryption key by issuing on average 128*b calls to the padding oracle (where b is the number of bytes in the ciphertext block). In addition to performing decryption, an adversary is also able to produce valid ciphertexts (i.e., perform encryption) by using the padding oracle, all without knowing the encryption key.
CAPEC-475: Signature Spoofing by Improper Validation
An adversary exploits a cryptographic weakness in the signature verification algorithm implementation to generate a valid signature without knowing the key.