CVE-2021-26086
CVSS v3
5.3
MEDIUM
EPSS Score
94.2 %
exploit probability
CISA KEV
Yes
known exploited
Exploitation
—
SSVC status
Description
Affected versions of Atlassian Jira Server and Data Center allow remote attackers to read particular files via a path traversal vulnerability in the /WEB-INF/web.xml endpoint. The affected versions are before version 8.5.14, from version 8.6.0 before 8.13.6, and from version 8.14.0 before 8.16.1.
CISA Known Exploited Vulnerability
- Date Added
- 2024-11-12
- Patch Due Date
- 2024-12-03
- Ransomware Use
- Unknown
Technical details
- Published
- 2021-08-16
- Exploit-DB
- EDB-50380
Frequently asked questions
What is CVE-2021-26086?
Affected versions of Atlassian Jira Server and Data Center allow remote attackers to read particular files via a path traversal vulnerability in the /WEB-INF/web.xml endpoint. The affected versions are before version 8.5.14, from version 8.6.0 before 8.13.6, and from version 8.14.0 before 8.16.1.
Is CVE-2021-26086 actively exploited?
Yes. CVE-2021-26086 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2024-12-03.
What is the CVSS score for CVE-2021-26086?
CVE-2021-26086 has a CVSS v3 base score of 5.3 (MEDIUM severity).
Is CVE-2021-26086 affecting your environment?
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