Vulnerability identifier: #VU46186

Vulnerability risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-15820

CWE-ID: CWE-200

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 gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application in the markdown parser. A remote attacker can gain unauthorized access to sensitive information on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

YouTrack: All versions

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External links
http://blog.jetbrains.com
http://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 non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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