Vulnerability identifier: #VU52844

Vulnerability risk: Medium

CVSSv3.1:

CVE-ID: CVE-2021-31864

CWE-ID: CWE-254

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Redmine
Web applications / CRM systems

Vendor: Ruby

Description

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

The vulnerability exists due to the security features bypass issue. A remote attacker can bypass the "add_issue_notes" permission requirement.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Redmine: 4.0.0 - 4.2.0

---

CPE

• cpe:2.3:a:ruby:redmine:4.0.0:*:*:*:*:*:*:*

External links
http://www.redmine.org/projects/redmine/wiki/Security_Advisories
http://www.redmine.org/news/131

---

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?