Youtrack
CVE-2021-25765
HIGH
Severity by source
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Lifecycle Timeline
1DescriptionNVD
In JetBrains YouTrack before 2020.4.4701, CSRF via attachment upload was possible.
AnalysisAI
In JetBrains YouTrack before 2020.4.4701, CSRF via attachment upload was possible. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Technical ContextAI
This vulnerability is classified as Cross-Site Request Forgery (CSRF) (CWE-352), which allows attackers to trick authenticated users into performing unintended actions. In JetBrains YouTrack before 2020.4.4701, CSRF via attachment upload was possible. Affected products include: Jetbrains Youtrack. Version information: before 2020.4.4701.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Implement anti-CSRF tokens, validate Origin/Referer headers, use SameSite cookie attribute.
Authentication bypass in JetBrains YouTrack allows attackers to obtain full administrative access by leveraging a direct
In JetBrains YouTrack before 2024.3.51866 system takeover was possible through path traversal in plugin sandbox. Rated c
JetBrains YouTrack before 2021.4.40426 was vulnerable to SSTI (Server-Side Template Injection) via FreeMarker templates.
JetBrains YouTrack before 2021.3.23639 is vulnerable to Host header injection. Rated critical severity (CVSS 9.8), this
In JetBrains YouTrack before 2020.5.3123, server-side template injection (SSTI) was possible, which could lead to code e
An SSRF attack was possible on a JetBrains YouTrack server. Rated critical severity (CVSS 9.8), this vulnerability is re
Certain actions could cause privilege escalation for issue attachments in JetBrains YouTrack. Rated critical severity (C
An Insecure Direct Object Reference, with Authorization Bypass through a User-Controlled Key, was possible in JetBrains
A query injection was possible in JetBrains YouTrack. Rated critical severity (CVSS 9.8), this vulnerability is remotely
In JetBrains YouTrack before 2021.1.11111, sandboxing in workflows was insufficient. Rated critical severity (CVSS 9.1),
Authenticated users in JetBrains YouTrack versions prior to 2025.3.121962 can bypass authorization controls to access th
In JetBrains YouTrack before 2020.1.1331, an external user could execute commands against arbitrary issues. Rated high s
Same weakness CWE-352 – Cross-Site Request Forgery (CSRF)
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External POC / Exploit Code
Leaving vuln.today