AEGLIX vulnerability intelligence
CVE-2021-26086
MEDIUM · CVSS 5.3 · Analyzed
Published: 2021-08-16 · Updated: 2026-06-17 · Source: NVD
Vulnerability overview
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.
Severity and scoring
- CVSS score
- 5.3 · MEDIUM
- CVSS version
- 3.1
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- Weaknesses
- CWE-22
CVSS measures technical severity; it does not establish whether this vulnerability is being exploited in your environment.
Known exploitation and remediation
Listed in CISA’s Known Exploited Vulnerabilities catalog.
- Affected product
- Atlassian · Jira Server and Data Center
- Added to catalog
- 2024-11-12
- Required action
- Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- CISA remediation due date
- 2024-12-03
CISA deadlines apply to the organizations covered by its directives. Confirm your own remediation requirements.
Verify affected versions and patch availability in the vendor advisory before making changes.
Affected products and versions
cpe:2.3:a:atlassian:jira_data_center:*:*:*:*:*:*:*:*
Before (exclusive): 8.5.14
cpe:2.3:a:atlassian:jira_data_center:*:*:*:*:*:*:*:*
From (inclusive): 8.6.0
Before (exclusive): 8.13.6
cpe:2.3:a:atlassian:jira_data_center:*:*:*:*:*:*:*:*
From (inclusive): 8.14.0
Before (exclusive): 8.16.1
cpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:*
Before (exclusive): 8.5.14
cpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:*
From (inclusive): 8.6.0
Before (exclusive): 8.13.6
cpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:*
From (inclusive): 8.14.0
Before (exclusive): 8.16.1
These are NVD CPE applicability entries. Some products depend on configuration conditions; consult the official record to confirm applicability.
Advisories and references
- http://packetstormsecurity.com/files/164405/Atlassian-Jira-Server-Data-Center-8.4.0-File-Read.html
Exploit · Third Party Advisory · VDB Entry
- https://jira.atlassian.com/browse/JRASERVER-72695
Issue Tracking · Vendor Advisory
- http://packetstormsecurity.com/files/164405/Atlassian-Jira-Server-Data-Center-8.4.0-File-Read.html
Exploit · Third Party Advisory · VDB Entry
- https://jira.atlassian.com/browse/JRASERVER-72695
Issue Tracking · Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-26086
US Government Resource