5.3

CVE-2021-26086

Warnung
Medienbericht
Exploit
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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Atlassian ≫ Jira Data Center Version < 8.5.14
Atlassian ≫ Jira Data Center Version >= 8.6.0 < 8.13.6
Atlassian ≫ Jira Data Center Version >= 8.14.0 < 8.16.1
Atlassian ≫ Jira Server Version < 8.5.14
Atlassian ≫ Jira Server Version >= 8.6.0 < 8.13.6
Atlassian ≫ Jira Server Version >= 8.14.0 < 8.16.1

12.11.2024: CISA Known Exploited Vulnerabilities (KEV) Catalog

Atlassian Jira Server and Data Center Path Traversal Vulnerability

Schwachstelle

Atlassian Jira Server and Data Center contain a path traversal vulnerability that allows a remote attacker to read particular files in the /WEB-INF/web.xml endpoint.

Beschreibung

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Erforderliche Maßnahmen
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 100% 1
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 5.3 3.9 1.4
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
NIST 5 10 2.9
AV:N/AC:L/Au:N/C:P/I:N/A:N
CISA-ADP 5.3 3.9 1.4
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

Für Zugriff zu Vulnerability Intelligence ist ein VulnDex Zugang erforderlich.
VulnDex Intel
Media Report
06.10.2026 09:49
http://packetstormsecurity.com/files/164405/Atlassian-Jira-Server-Data-Center-8.4.0-File-Read.html
Third Party Advisory
Exploit
VDB Entry
https://jira.atlassian.com/browse/JRASERVER-72695
Vendor Advisory
Issue Tracking
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-26086
US Government Resource