Vulnerability identifier: #VU56189

Vulnerability risk: Low

CVSSv3.1: 3.2 [CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C]

CVE-ID: CVE-2021-27913

CWE-ID: CWE-327

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Mautic
Web applications / Other software

Vendor: Acquia Inc.

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to a weak algorithm issue in the "mt_rand" function. A remote authenticated attacker can takeover accounts at random by enumerating and using access tokens.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Mautic: 3.0.0 - 3.3.3

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External links
http://github.com/mautic/mautic/security/advisories/GHSA-x7g2-wrrp-r6h3

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.