Vulnerability · Published Aug 30, 2021 · Assigned by Mautic

CVE-2021-27913Use of a Broken or Risky Cryptographic Algorithm

Low 3.5

In plain English

A low-severity broken cryptography in Mautic from Mautic. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 40% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)3.5Low

Exploit odds (30 days)0.5%top 60.1% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
Packagist	mautic/core	3.3.4	GHSA-x7g2-wrrp-r6h3
Packagist	mautic/core	4.0.0	GHSA-x7g2-wrrp-r6h3

Affected products (as reported)

Vendor	Product	Versions
Mautic	Mautic	unspecified – before 3.3.4unspecified – before 4.0.0

Weakness: CWE-327 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L

References

https://github.com/mautic/mautic/security/advisories/GHSA-x7g2-wrrp-r6h3 x_refsource_MISC