Home/CVE/JetBrains YouTrack before 2021.3.23639 is vulnerable to Host header injection.
CVE

CVE-2021-43185

JetBrains YouTrack before 2021.3.23639 is vulnerable to Host header injection.

JetBrains YouTrack before 2021.3.23639 is vulnerable to Host header injection.

CRITICAL · CVSS 9.8 EPSS 5e-05
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-74Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
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Affected Products & Versions

1
jetbrains youtrack< 2021.3.23639
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Scoring & Timeline

9.8
CRITICAL · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD09 Nov 2021 · 03:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://blog.jetbrains.com/blog/2021/11/08/jetbrains-security-bulletin-q3-2021/Vendor Advisory
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