#VU52046 Security features bypass in Redmine - CVE-2021-30164

Vulnerability identifier: #VU52046

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-30164

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 restrictions bypass. 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 - 4.1.1

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External links
https://www.redmine.org/projects/redmine/wiki/Security_Advisories

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.