VULNERABILITY INTELLIGENCE

CVE-2021-27913

CVSS score3.5 LOW
EPSS probability0.46%
CISA KEVNot currently listed
Published2021-08-30
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L

Description

The function mt_rand is used to generate session tokens, this function is cryptographically flawed due to its nature being one pseudorandomness, an attacker can take advantage of the cryptographically insecure nature of this function to enumerate session tokens for accounts that are not under his/her control This issue affects: Mautic Mautic versions prior to 3.3.4; versions prior to 4.0.0.

Weakness classification

  • CWE-327: Use of a Broken or Risky Cryptographic Algorithm
  • CWE-338: Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)

Primary references