CVE-2025-40920
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.41%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 8.6 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L
- EPSS
- 0.41% probability · 35th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-338, CWE-340
- Source
- 9b29abf9-4ab0-4765-b253-1875cd9b441e
References
- https://datatracker.ietf.org/doc/html/rfc7616#section-5.12
- https://datatracker.ietf.org/doc/html/rfc9562#name-security-considerations
- https://github.com/perl-catalyst/Catalyst-Authentication-Credential-HTTP/commit/ad2c03aad95406db4ce35dfb670664ebde004c18
- https://github.com/perl-catalyst/Catalyst-Authentication-Credential-HTTP/pull/1
- https://metacpan.org/release/ETHER/Catalyst-Authentication-Credential-HTTP-1.018/source/lib/Catalyst/Authentication/Credential/HTTP.pm#L391
- https://security.metacpan.org/patches/C/Catalyst-Authentication-Credential-HTTP/1.018/CVE-2025-40920-r1.patch
- http://www.openwall.com/lists/oss-security/2025/08/12/1
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.