Vulnerability in Dbook Www\
CVE-2025-40905
WWW::OAuth 1.000 and earlier for Perl uses the rand() function as the default source of entropy, which is not cryptographically secure, for cryptographic functions.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.003 (15.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 16th percentile — 15.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000
Affected products
- Dbook Www\ — versions \
- Dbook Www::oauth — versions 0
- Dbook Www\:\:oauth
Weakness classification (CWE)
References
- 9b29abf9-4ab0-4765-b253-1875cd9b441e (Third Party Advisory)
- 9b29abf9-4ab0-4765-b253-1875cd9b441e (Third Party Advisory)
- 9b29abf9-4ab0-4765-b253-1875cd9b441e (Product, Issue Tracking)
- af854a3a-2127-422b-91ae-364da2661108 (Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2025-40905?
- CVE-2025-40905 is a high-severity vulnerability in Dbook Www\, classified under Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG). CVSS score: 7.3/10. Published 2026-02-13.
- How severe is CVE-2025-40905?
- High severity. CVSS v3 base score is 7.3 out of 10.