CVE-2025-40920
HIGH EPSS 30.6%
Published Aug 11, 202510mo ago · Modified Jun 17, 20262w ago
8.6 CVSS 3.1
Published Aug 11, 2025 10mo ago
Last Modified Jun 17, 2026 2w ago
Description
Catalyst::Authentication::Credential::HTTP versions 1.018 and earlier for Perl generate nonces using the Perl Data::UUID library. * Data::UUID does not use a strong cryptographic source for generating UUIDs. * Data::UUID returns v3 UUIDs, which are generated from known information and are unsuitable for security, as per RFC 9562. * The nonces should be generated from a strong cryptographic source, as per RFC 7616.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity Low
Availability Low
Threat Intelligence
EPSS Exploit Probability
30.6% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 2
CWE-338
CWE-340
References 7
- openwall.com http://www.openwall.com/lists/oss-security/2025/08/12/1
- datatracker.ietf.org https://datatracker.ietf.org/doc/html/rfc7616#section-5.12
- datatracker.ietf.org https://datatracker.ietf.org/doc/html/rfc9562#name-security-considerations
- github.com https://github.com/perl-catalyst/Catalyst-Authentication-Credential-HTTP/commit/ad2c03aad95406db4ce35dfb670664ebde004c18
- github.com https://github.com/perl-catalyst/Catalyst-Authentication-Credential-HTTP/pull/1
- metacpan.org https://metacpan.org/release/ETHER/Catalyst-Authentication-Credential-HTTP-1.018/source/lib/Catalyst/Authentication/Credential/HTTP.pm#L391
- security.metacpan.org https://security.metacpan.org/patches/C/Catalyst-Authentication-Credential-HTTP/1.018/CVE-2025-40920-r1.patch
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.