CVE-2021-26086
MediumActively exploited (CISA KEV)
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.
SeverityMedium
CVSS5.3
Exploit probability—
Product
Atlassian Jira Server and Data Center
PublishedAug 16, 2021
First seenAug 16, 2021
Added to KEVNov 12, 2024
Weakness typeCWE-22Path traversal
How to fix
CISA required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
CISA due date: Dec 3, 2024Update
- atlassian jira_data_center8.5.14, 8.13.6, 8.16.1 or later
- atlassian jira_server8.5.14, 8.13.6, 8.16.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| atlassian jira_data_center | v < 8.5.14, 8.6.0 ≤ v < 8.13.6, 8.14.0 ≤ v < 8.16.1 | 8.5.14, 8.13.6, 8.16.1 |
| atlassian jira_server | v < 8.5.14, 8.6.0 ≤ v < 8.13.6, 8.14.0 ≤ v < 8.16.1 | 8.5.14, 8.13.6, 8.16.1 |
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