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Vulnerability · Published Sep 17, 2025 · Assigned by CPANSec

CVE-2025-40933Apache::AuthAny::Cookie v0.201 or earlier for Perl generates session ids insecurely

High 7.5

In plain English

A high-severity security flaw in Apache::AuthAny from KGOLDOV. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 35% of all known vulnerabilities).

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.4%top 64.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Apache::AuthAny::Cookie v0.201 or earlier for Perl generates session ids insecurely. Session ids are generated using an MD5 hash of the epoch time and a call to the built-in rand function. The epoch time may be guessed, if it is not leaked from the HTTP Date header. The built-in rand function is unsuitable for cryptographic usage. Predicable session ids could allow an attacker to gain access to systems.

Affected products (as reported)

VendorProductVersions
KGOLDOV Apache::AuthAny 0.19 – through 0.201

Weakness: CWE-340, CWE-338 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References