#VU55609 Protection Mechanism Failure in YouTrack - CVE-2021-37549

Vulnerability identifier: #VU55609

Vulnerability risk: Medium

CVSSv4.0: 7.5 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-37549

CWE-ID: CWE-693

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
YouTrack
Web applications / CMS

Vendor: JetBrains s.r.o.

Description

The vulnerability allows a remote user to bypass implemented security restrictions.

The vulnerability exists due to insufficient implementation of sandboxing restrictions. A remote user can bypass implemented security restrictions and elevate privileges on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

YouTrack: 2020.1.659 - 2021.1.10244

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External links
https://blog.jetbrains.com/blog/2021/08/05/jetbrains-security-bulletin-q2-2021

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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.