Security restrictions bypass in JetBrains YouTrack

1) Protection Mechanism Failure

EUVDB-ID: #VU55609

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 - Protection Mechanism Failure

Exploit availability: No

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

CPE2.3

• cpe:2.3:a:jetbrains_s.r.o.:youtrack:2020.1.659:*:*:*:*:*:*:*
• cpe:2.3:a:jetbrains_s.r.o.:youtrack:2020.1.1331:*:*:*:*:*:*:*
• cpe:2.3:a:jetbrains_s.r.o.:youtrack:2020.1.1826:*:*:*:*:*:*:*

External links

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

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.