What is CVE-2021-27913?

CVE-2021-27913 is a low-severity vulnerability in Acquia Mautic, classified under Use of a Broken or Risky Cryptographic Algorithm. CVSS score: 3.5/10. Published 2021-08-30.

How severe is CVE-2021-27913?

Low severity. CVSS v3 base score is 3.5 out of 10.

Is CVE-2021-27913 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Acquia Mautic

CVE-2021-27913

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.

Vulnerability class: POODLE (CVE-2014-3566)

EPSS: 0.005 (37.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L.

Affected products

Acquia Mautic — versions 4.0.0
Mautic — versions unspecified

Weakness classification (CWE)

Public proof-of-concept exploits

n0-traces/cve_

References

security@mautic.org (Exploit, Patch, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-27913?: CVE-2021-27913 is a low-severity vulnerability in Acquia Mautic, classified under Use of a Broken or Risky Cryptographic Algorithm. CVSS score: 3.5/10. Published 2021-08-30.
How severe is CVE-2021-27913?: Low severity. CVSS v3 base score is 3.5 out of 10.
Is CVE-2021-27913 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.