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.
1481 vulnerabilities reference this CWE, most recent first.
CVE-2023-22742 (GCVE-0-2023-22742)
Vulnerability from cvelistv5 – Published: 2023-01-20 22:49 – Updated: 2025-03-10 21:21
VLAI
EPSS
VEX
Title
libgit2 fails to verify SSH keys by default
Summary
libgit2 is a cross-platform, linkable library implementation of Git. When using an SSH remote with the optional libssh2 backend, libgit2 does not perform certificate checking by default. Prior versions of libgit2 require the caller to set the `certificate_check` field of libgit2's `git_remote_callbacks` structure - if a certificate check callback is not set, libgit2 does not perform any certificate checking. This means that by default - without configuring a certificate check callback, clients will not perform validation on the server SSH keys and may be subject to a man-in-the-middle attack. Users are encouraged to upgrade to v1.4.5 or v1.5.1. Users unable to upgrade should ensure that all relevant certificates are manually checked.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-03-10 20:59 UTC
CWE
- CWE-347 - Improper Verification of Cryptographic Signature
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://github.com/libgit2/libgit2/security/advis… | x_refsource_CONFIRM |
| https://github.com/libgit2/libgit2/commit/42e5db9… | x_refsource_MISC |
| https://github.com/libgit2/libgit2/commit/cd6f679… | x_refsource_MISC |
| https://github.com/libgit2/libgit2/releases/tag/v1.4.5 | x_refsource_MISC |
| https://github.com/libgit2/libgit2/releases/tag/v1.5.1 | x_refsource_MISC |
| https://www.libssh2.org | x_refsource_MISC |
| http://www.openwall.com/lists/oss-security/2023/11/06/5 |
Impacted products
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CVE-2023-20266 (GCVE-0-2023-20266)
Vulnerability from cvelistv5 – Published: 2023-08-30 16:18 – Updated: 2025-07-01 13:45
VLAI
EPSS
VEX
Summary
A vulnerability in Cisco Emergency Responder, Cisco Unified Communications Manager (Unified CM), Cisco Unified Communications Manager Session Management Edition (Unified CM SME), and Cisco Unity Connection could allow an authenticated, remote attacker to elevate privileges to root on an affected device.
This vulnerability exists because the application does not properly restrict the files that are being used for upgrades. An attacker could exploit this vulnerability by providing a crafted upgrade file. A successful exploit could allow the attacker to elevate privileges to root. To exploit this vulnerability, the attacker must have valid platform administrator credentials on an affected device.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-07-01 13:45 UTC
CWE
- CWE-347 - Improper Verification of Cryptographic Signature
Assigner
References
1 reference
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco Emergency Responder |
Affected:
12.5(1)SU4
Affected: 12.5(1)SU8a Affected: 14SU3 |
|
| Cisco | Cisco Unity Connection |
Affected:
12.5(1)SU6
Affected: 12.5(1)SU7 Affected: 12.5(1)SU8 Affected: 14SU2 Affected: 14SU3 |
|
| Cisco | Cisco Unified Communications Manager |
Affected:
12.5(1)SU8
|
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CVE-2023-20236 (GCVE-0-2023-20236)
Vulnerability from cvelistv5 – Published: 2023-09-13 16:39 – Updated: 2025-12-16 18:23
VLAI
EPSS
VEX
Summary
A vulnerability in the iPXE boot function of Cisco IOS XR software could allow an authenticated, local attacker to install an unverified software image on an affected device.
This vulnerability is due to insufficient image verification. An attacker could exploit this vulnerability by manipulating the boot parameters for image verification during the iPXE boot process on an affected device. A successful exploit could allow the attacker to boot an unverified software image on the affected device.
Severity
6.7 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2023-11-15 16:36 UTC
CWE
- CWE-347 - Improper Verification of Cryptographic Signature
Assigner
References
1 reference
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco IOS XR Software |
Affected:
5.2.0
Affected: 5.2.1 Affected: 5.2.2 Affected: 5.2.4 Affected: 5.2.3 Affected: 5.2.5 Affected: 5.2.47 Affected: 5.3.0 Affected: 5.3.1 Affected: 5.3.2 Affected: 5.3.3 Affected: 5.3.4 Affected: 6.0.0 Affected: 6.0.1 Affected: 6.0.2 Affected: 6.1.1 Affected: 6.1.2 Affected: 6.1.3 Affected: 6.1.4 Affected: 6.1.12 Affected: 6.1.22 Affected: 6.1.32 Affected: 6.1.36 Affected: 6.1.42 Affected: 6.2.1 Affected: 6.2.2 Affected: 6.2.3 Affected: 6.2.25 Affected: 6.2.11 Affected: 6.3.2 Affected: 6.3.3 Affected: 6.3.15 Affected: 6.4.1 Affected: 6.4.2 Affected: 6.4.3 Affected: 6.5.1 Affected: 6.5.2 Affected: 6.5.3 Affected: 6.5.25 Affected: 6.5.26 Affected: 6.5.28 Affected: 6.5.29 Affected: 6.5.32 Affected: 6.5.33 Affected: 6.6.2 Affected: 6.6.3 Affected: 6.6.25 Affected: 6.6.4 Affected: 7.0.1 Affected: 7.0.2 Affected: 7.0.12 Affected: 7.0.14 Affected: 7.1.1 Affected: 7.1.15 Affected: 7.1.2 Affected: 7.1.3 Affected: 6.7.1 Affected: 6.7.2 Affected: 6.7.3 Affected: 6.7.4 Affected: 7.2.0 Affected: 7.2.1 Affected: 7.2.2 Affected: 7.3.1 Affected: 7.3.15 Affected: 7.3.2 Affected: 7.3.3 Affected: 7.3.5 Affected: 7.4.1 Affected: 7.4.2 Affected: 6.8.1 Affected: 6.8.2 Affected: 7.5.1 Affected: 7.5.3 Affected: 7.5.2 Affected: 7.5.4 Affected: 7.6.1 Affected: 7.6.2 Affected: 7.7.1 Affected: 7.7.2 Affected: 7.7.21 Affected: 6.9.1 Affected: 6.9.2 Affected: 7.8.1 Affected: 7.8.2 Affected: 7.9.1 Affected: 7.9.2 |
|
| cisco | ios_xr_software |
Affected:
0 , ≤ 7.9.2
(custom)
cpe:2.3:o:cisco:ios_xr_software:*:*:*:*:*:*:*:* |
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CVE-2023-20135 (GCVE-0-2023-20135)
Vulnerability from cvelistv5 – Published: 2023-09-13 16:38 – Updated: 2025-12-16 18:23
VLAI
EPSS
VEX
Summary
A vulnerability in Cisco IOS XR Software image verification checks could allow an authenticated, local attacker to execute arbitrary code on the underlying operating system.
This vulnerability is due to a time-of-check, time-of-use (TOCTOU) race condition when an install query regarding an ISO image is performed during an install operation that uses an ISO image. An attacker could exploit this vulnerability by modifying an ISO image and then carrying out install requests in parallel. A successful exploit could allow the attacker to execute arbitrary code on an affected device.
Severity
5.7 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2023-11-15 16:36 UTC
CWE
- CWE-347 - Improper Verification of Cryptographic Signature
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco IOS XR Software |
Affected:
7.5.3
Affected: 7.5.2 Affected: 7.5.4 Affected: 7.7.1 Affected: 7.7.2 Affected: 7.7.21 Affected: 7.8.1 Affected: 7.8.2 Affected: 7.9.1 Affected: 7.9.2 |
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CVE-2023-5747 (GCVE-0-2023-5747)
Vulnerability from cvelistv5 – Published: 2023-11-13 07:48 – Updated: 2024-08-02 08:07
VLAI
EPSS
VEX
Title
Command injection via wave install file
Summary
Bashis, a Security Researcher at IPVM has found a flaw that allows for a remote code execution during the installation of Wave on the camera device. The Wave server application in camera device was vulnerable to command injection allowing an attacker to run arbitrary code. HanwhaVision has released patched firmware for the highlighted flaw. Please refer to the hanwhavision security report for more information and solution."
Severity
7.2 (High)
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.hanwhavision.com/wp-content/uploads/2… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Hanwha Vision Co., Ltd. | PNV-A6081R |
Affected:
2.21.02
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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 · CISA-ADP (v2.0.3)
Decision recorded 2025-05-08 15:33 UTC
CWE
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Korenix | JetNet Series |
Affected:
firmware older than 2024/01
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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 · CISA-ADP (v2.0.3)
Decision recorded 2024-04-25 13:37 UTC
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 · CISA-ADP (v2.0.3)
Decision recorded 2024-01-31 19:51 UTC
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
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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 · CISA-ADP (v2.0.3)
Decision recorded 2025-03-10 21:00 UTC
CWE
- CWE-347 - Improper Verification of Cryptographic Signature
Assigner
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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 · CISA-ADP (v2.0.3)
Decision recorded 2025-05-02 18:27 UTC
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
(custom)
|
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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.