#VU46192 Code Injection in YouTrack - CVE-2020-15817

Vulnerability identifier: #VU46192

Vulnerability risk: Medium

CVSSv4.0: 6.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-15817

CWE-ID: CWE-94

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
YouTrack
Web applications / CMS

Vendor: JetBrains s.r.o.

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to improper input validation. A remote authenticated attacker can send a specially crafted request and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

YouTrack: before 2020.1.1331

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External links
https://blog.jetbrains.com
https://blog.jetbrains.com/blog/2020/08/06/jetbrains-security-bulletin-q2-2020/

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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.