CVE-2021-27913: acquia mautic
Vulnerability summary
CVE-2021-27913 is a low (CVSS 3.5) vulnerability in acquia mautic. EPSS estimates a 0.46% chance of exploitation in the next 30 days, higher than 38.3% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 30-08-2021PublishedVulnerability first disclosed.
- 16-09-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
3 scores · 2 sources · 2 versions- NVDNIST3.5LowCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N
EPSS trend
Probability
0.46%
Chance of exploitation in the next 30 days
Percentile
38%
Versus all other CVEs
30-day change
0.00 pp
From 0.46% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundMautic
Maturity: poc
Weaknesses
CWE · root cause- CWE-327Use of a Broken or Risky Cryptographic AlgorithmThe product uses a broken or risky cryptographic algorithm or protocol.
- CWE-338Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)The product uses a Pseudo-Random Number Generator (PRNG) in a security context, but the PRNG's algorithm is not cryptographically strong.
Affected systems
Acquia1 product
- mauticEOL< 3.3.4 | 4.0.0:alpha1 | 4.0.0:beta | 4.0.0:rc
Mautic1 product
- mautic≥ unspecified, < 3.3.4 | ≥ unspecified, < 4.0.0
2 vendors · 2 products
References
1 links- github.com/mautic/mautic/security/advisories/GHSA-x7g2-wrrp-r6h3X Refsource MISCExploitPatchThird Party Advisory