CWE-347
Improper Verification of Cryptographic Signature
The product does not verify, or incorrectly verifies, the cryptographic signature for data.
CVE-2024-9487 (GCVE-0-2024-9487)
Vulnerability from cvelistv5 – Published: 2024-10-10 21:08 – Updated: 2024-10-11 15:34
VLAI
Title
An Improper Verification of Cryptographic Signature vulnerability was identified in GitHub Enterprise Server that allowed SAML SSO authentication to be bypassed when the encrypted assertions feature was enabled
Summary
An improper verification of cryptographic signature vulnerability was identified in GitHub Enterprise Server that allowed SAML SSO authentication to be bypassed resulting in unauthorized provisioning of users and access to the instance. Exploitation required the encrypted assertions feature to be enabled, and the attacker would require direct network access as well as a signed SAML response or metadata document. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.15 and was fixed in versions 3.11.16, 3.12.10, 3.13.5, and 3.14.2. This vulnerability was reported via the GitHub Bug Bounty program.
Severity
CWE
- CWE-347 - Improper Verification of Cryptographic Signature
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://docs.github.com/en/enterprise-server@3.11… | release-notes |
| https://docs.github.com/en/enterprise-server@3.12… | release-notes |
| https://docs.github.com/en/enterprise-server@3.13… | release-notes |
| https://docs.github.com/en/enterprise-server@3.14… | release-notes |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| GitHub | Enterprise Server |
Affected:
3.11.0 , ≤ 3.11.15
(semver)
Affected: 3.12.0 , ≤ 3.12.9 (semver) Affected: 3.13.0 , ≤ 3.13.4 (semver) Affected: 3.14.0 , ≤ 3.14.1 (semver) |
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CVE-2025-12006 (GCVE-0-2025-12006)
Vulnerability from cvelistv5 – Published: 2026-01-16 08:36 – Updated: 2026-02-26 15:04
VLAI
Title
Supermicro BMC firmware update validation bypass
Summary
There is a vulnerability in the Supermicro BMC firmware validation logic at Supermicro MBD-X12STW-F . An attacker can update the system firmware with a specially crafted image.
Severity
7.2 (High)
CWE
- CWE-347 - Improper Verification of Cryptographic Signature
Assigner
References
1 reference
Impacted products
Credits
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CVE-2025-12007 (GCVE-0-2025-12007)
Vulnerability from cvelistv5 – Published: 2026-01-16 08:39 – Updated: 2026-02-26 21:39
VLAI
Title
Supermicro BMC firmware update validation bypass
Summary
There is a vulnerability in the Supermicro BMC firmware validation logic at Supermicro MBD-X13SEM-F . An attacker can update the system firmware with a specially crafted image.
Severity
8.4 (High)
CWE
- CWE-347 - Improper Verification of Cryptographic Signature
Assigner
References
1 reference
Impacted products
Credits
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CVE-2025-12150 (GCVE-0-2025-12150)
Vulnerability from cvelistv5 – Published: 2026-02-27 08:10 – Updated: 2026-03-06 18:46
VLAI
Title
Org.keycloak/keycloak-services: webauthn attestation statement verification bypass
Summary
A flaw was found in Keycloak’s WebAuthn registration component. This vulnerability allows an attacker to bypass the configured attestation policy and register untrusted or forged authenticators via submission of an attestation object with fmt: "none", even when the realm is configured to require direct attestation. This can lead to weakened authentication integrity and unauthorized authenticator registration.
Severity
CWE
- CWE-347 - Improper Verification of Cryptographic Signature
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://access.redhat.com/errata/RHSA-2025:21370 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2025:21371 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2025:22088 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2025:22089 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/security/cve/CVE-2025-12150 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2406192 | issue-trackingx_refsource_REDHAT |
| https://github.com/keycloak/keycloak/issues/43723 |
Impacted products
9 products
| Vendor | Product | Version | |
|---|---|---|---|
| Keycloak | keycloak |
Affected:
0 , < 26.4.4
(semver)
|
|
| Red Hat | Red Hat build of Keycloak 26.2 |
Unaffected:
26.2.11-1 , < *
(rpm)
cpe:/a:redhat:build_keycloak:26.2::el9 |
|
| Red Hat | Red Hat build of Keycloak 26.2 |
Unaffected:
26.2-12 , < *
(rpm)
cpe:/a:redhat:build_keycloak:26.2::el9 |
|
| Red Hat | Red Hat build of Keycloak 26.2 |
Unaffected:
26.2-12 , < *
(rpm)
cpe:/a:redhat:build_keycloak:26.2::el9 |
|
| Red Hat | Red Hat build of Keycloak 26.2.11 |
cpe:/a:redhat:build_keycloak:26.2::el9 |
|
| Red Hat | Red Hat build of Keycloak 26.4 |
Unaffected:
26.4.4-1 , < *
(rpm)
cpe:/a:redhat:build_keycloak:26.4::el9 |
|
| Red Hat | Red Hat build of Keycloak 26.4 |
Unaffected:
26.4-3 , < *
(rpm)
cpe:/a:redhat:build_keycloak:26.4::el9 |
|
| Red Hat | Red Hat build of Keycloak 26.4 |
Unaffected:
26.4-3 , < *
(rpm)
cpe:/a:redhat:build_keycloak:26.4::el9 |
|
| Red Hat | Red Hat build of Keycloak 26.4.4 |
cpe:/a:redhat:build_keycloak:26.4::el9 |
Date Public
2025-10-28 15:04
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CVE-2025-12295 (GCVE-0-2025-12295)
Vulnerability from cvelistv5 – Published: 2025-10-27 16:32 – Updated: 2025-10-27 17:44 Unsupported When Assigned
VLAI
Title
D-Link DAP-2695 Firmware Update sub_40C6B8 signature verification
Summary
A weakness has been identified in D-Link DAP-2695 2.00RC13. The affected element is the function sub_40C6B8 of the component Firmware Update Handler. Executing manipulation can lead to improper verification of cryptographic signature. The attack can be launched remotely. Attacks of this nature are highly complex. The exploitability is described as difficult. The exploit has been made available to the public and could be exploited. This vulnerability only affects products that are no longer supported by the maintainer.
Severity
CWE
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.329963 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.329963 | signaturepermissions-required |
| https://vuldb.com/?submit.675854 | third-party-advisory |
| https://github.com/IOTRes/IOT_Firmware_Update/blo… | exploitpatch |
| https://www.dlink.com/ | product |
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CVE-2025-13662 (GCVE-0-2025-13662)
Vulnerability from cvelistv5 – Published: 2025-12-09 16:05 – Updated: 2026-02-26 16:57
VLAI
Summary
Improper verification of cryptographic signatures in the patch management component of Ivanti Endpoint Manager prior to version 2024 SU4 SR1 allows a remote unauthenticated attacker to execute arbitrary code. User Interaction is required.
Severity
7.8 (High)
CWE
- CWE-347 - Improper Verification of Cryptographic Signature
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Ivanti | Endpoint Manager |
Unaffected:
2024 SU4 SR1
(custom)
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CVE-2025-15469 (GCVE-0-2025-15469)
Vulnerability from cvelistv5 – Published: 2026-01-27 16:01 – Updated: 2026-01-29 14:54
VLAI
Title
'openssl dgst' one-shot codepath silently truncates inputs >16MB
Summary
Issue summary: The 'openssl dgst' command-line tool silently truncates input
data to 16MB when using one-shot signing algorithms and reports success instead
of an error.
Impact summary: A user signing or verifying files larger than 16MB with
one-shot algorithms (such as Ed25519, Ed448, or ML-DSA) may believe the entire
file is authenticated while trailing data beyond 16MB remains unauthenticated.
When the 'openssl dgst' command is used with algorithms that only support
one-shot signing (Ed25519, Ed448, ML-DSA-44, ML-DSA-65, ML-DSA-87), the input
is buffered with a 16MB limit. If the input exceeds this limit, the tool
silently truncates to the first 16MB and continues without signaling an error,
contrary to what the documentation states. This creates an integrity gap where
trailing bytes can be modified without detection if both signing and
verification are performed using the same affected codepath.
The issue affects only the command-line tool behavior. Verifiers that process
the full message using library APIs will reject the signature, so the risk
primarily affects workflows that both sign and verify with the affected
'openssl dgst' command. Streaming digest algorithms for 'openssl dgst' and
library users are unaffected.
The FIPS modules in 3.5 and 3.6 are not affected by this issue, as the
command-line tools are outside the OpenSSL FIPS module boundary.
OpenSSL 3.5 and 3.6 are vulnerable to this issue.
OpenSSL 3.4, 3.3, 3.0, 1.1.1 and 1.0.2 are not affected by this issue.
Severity
No CVSS data available.
CWE
- CWE-347 - Improper Verification of Cryptographic Signature
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://openssl-library.org/news/secadv/20260127.txt | vendor-advisory |
| https://github.com/openssl/openssl/commit/310f305… | patch |
| https://github.com/openssl/openssl/commit/a7936fa… | patch |
Impacted products
Date Public
2026-01-27 14:00
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CVE-2025-15598 (GCVE-0-2025-15598)
Vulnerability from cvelistv5 – Published: 2026-03-03 09:32 – Updated: 2026-03-03 14:33
VLAI
Title
Dataease SQLBot JWT Token auth.py validateEmbedded signature verification
Summary
A vulnerability was found in Dataease SQLBot up to 1.5.1. This impacts the function validateEmbedded of the file backend/apps/system/middleware/auth.py of the component JWT Token Handler. Performing a manipulation results in improper verification of cryptographic signature. The attack can be initiated remotely. The attack is considered to have high complexity. The exploitability is said to be difficult. The exploit has been made public and could be used. A comment in the source code warns users about using this feature. The vendor was contacted early about this disclosure.
Severity
CWE
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.348292 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.348292 | signaturepermissions-required |
| https://vuldb.com/?submit.707291 | third-party-advisory |
| https://github.com/yaowenxiao721/Poc/blob/main/SQ… | exploit |
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CVE-2025-20143 (GCVE-0-2025-20143)
Vulnerability from cvelistv5 – Published: 2025-03-12 16:12 – Updated: 2026-02-26 19:09
VLAI
Title
Cisco IOS XR Software Secure Boot Bypass Vulnerability
Summary
A vulnerability in the boot process of Cisco IOS XR Software could allow an authenticated, local attacker with high privileges to bypass the Secure Boot functionality and load unverified software on an affected device. To exploit this vulnerability, the attacker must have root-system privileges on the affected device.
This vulnerability is due to insufficient verification of modules in the software load process. An attacker could exploit this vulnerability by manipulating the loaded binaries to bypass some of the integrity checks that are performed during the booting process. A successful exploit could allow the attacker to control the boot configuration, which could enable them to bypass the requirement to run Cisco-signed images or alter the security properties of the running system.
Note: This vulnerability affects Cisco IOS XR Software, not the Secure Boot feature.
Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
Severity
6.7 (Medium)
CWE
- CWE-347 - Improper Verification of Cryptographic Signature
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco IOS XR Software |
Affected:
6.5.3
Affected: 6.5.2 Affected: 6.5.92 Affected: 6.5.1 Affected: 6.5.15 Affected: 6.6.2 Affected: 7.0.1 Affected: 6.6.25 Affected: 6.6.1 Affected: 6.6.11 Affected: 6.5.93 Affected: 6.6.12 Affected: 7.0.0 Affected: 7.1.1 Affected: 7.0.90 Affected: 6.6.3 Affected: 6.7.1 Affected: 7.0.2 Affected: 7.1.15 Affected: 7.2.0 Affected: 7.2.1 Affected: 7.1.2 Affected: 6.7.2 Affected: 7.1.25 Affected: 6.6.4 Affected: 7.3.1 Affected: 7.1.3 Affected: 6.7.3 Affected: 7.4.1 Affected: 7.2.2 Affected: 6.8.1 Affected: 7.4.15 Affected: 7.3.2 Affected: 7.5.1 Affected: 7.4.16 Affected: 7.3.27 Affected: 7.6.1 Affected: 7.5.2 Affected: 7.6.15 Affected: 7.3.3 Affected: 7.7.1 Affected: 6.8.2 Affected: 7.4.2 Affected: 7.3.4 Affected: 6.7.35 Affected: 6.9.1 Affected: 7.6.2 Affected: 7.8.1 Affected: 7.5.3 Affected: 7.7.2 Affected: 6.9.2 Affected: 7.8.2 Affected: 7.5.4 Affected: 7.8.22 Affected: 7.7.21 Affected: 7.3.5 Affected: 7.5.5 Affected: 7.3.6 Affected: 7.8.23 |
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CVE-2025-20178 (GCVE-0-2025-20178)
Vulnerability from cvelistv5 – Published: 2025-04-16 16:07 – Updated: 2026-02-26 18:28
VLAI
Title
Cisco Secure Network Analytics Privilege Escalation Vulnerability
Summary
A vulnerability in the web-based management interface of Cisco Secure Network Analytics could allow an authenticated, remote attacker with valid administrative credentials to execute arbitrary commands as root on the underlying operating system.
This vulnerability is due to insufficient integrity checks within device backup files. An attacker with valid administrative credentials could exploit this vulnerability by crafting a malicious backup file and restoring it to an affected device. A successful exploit could allow the attacker to obtain shell access on the underlying operating system with the privileges of root.
Severity
6 (Medium)
CWE
- CWE-347 - Improper Verification of Cryptographic Signature
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco Secure Network Analytics |
Affected:
7.5.0
Affected: 7.5.1 Affected: 7.5.2 |
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"id": "CVE-2025-20178",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-04-17T03:55:25.373925Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-02-26T18:28:13.771Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unknown",
"product": "Cisco Secure Network Analytics",
"vendor": "Cisco",
"versions": [
{
"status": "affected",
"version": "7.5.0"
},
{
"status": "affected",
"version": "7.5.1"
},
{
"status": "affected",
"version": "7.5.2"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability in the web-based management interface of Cisco Secure Network Analytics could allow an authenticated, remote attacker with valid administrative credentials to execute arbitrary commands as root on the underlying operating system.\r\n\r\n\r\nThis vulnerability is due to insufficient integrity checks within device backup files. An attacker with valid administrative credentials could exploit this vulnerability by crafting a malicious backup file and restoring it to an affected device. A successful exploit could allow the attacker to obtain shell access on the underlying operating system with the privileges of root."
}
],
"exploits": [
{
"lang": "en",
"value": "The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "NONE",
"baseScore": 6,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N",
"version": "3.1"
},
"format": "cvssV3_1"
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-347",
"description": "Improper Verification of Cryptographic Signature",
"lang": "en",
"type": "cwe"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-04-16T16:07:30.356Z",
"orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
"shortName": "cisco"
},
"references": [
{
"name": "cisco-sa-sna-prvesc-4BQmK33Z",
"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sna-prvesc-4BQmK33Z"
}
],
"source": {
"advisory": "cisco-sa-sna-prvesc-4BQmK33Z",
"defects": [
"CSCwn51215"
],
"discovery": "INTERNAL"
},
"title": "Cisco Secure Network Analytics Privilege Escalation Vulnerability"
}
},
"cveMetadata": {
"assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
"assignerShortName": "cisco",
"cveId": "CVE-2025-20178",
"datePublished": "2025-04-16T16:07:30.356Z",
"dateReserved": "2024-10-10T19:15:13.225Z",
"dateUpdated": "2026-02-26T18:28:13.771Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
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.