CVE-2025-40918 describes an insecure client nonce (cnonce) generation in Authen::SASL::Perl::DIGEST_MD5 versions 2.04 through 2.1800. The cnonce, critical for preventing chosen plaintext attacks and ensuring mutual authentication, is generated using predictable inputs like PID, epoch time, and a cryptographically weak random function, falling short of the recommended 64 bits of entropy. This vulnerability carries a CVSS score of 6.5 (MEDIUM), indicating a network-based attack with low complexity that could lead to limited confidentiality and integrity impacts. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
| EHUELS | Authen::SASL::Perl::DIGEST MD5 | >= 2.04, <= 2.1800CNA affecteddefault unaffected |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.