CVE-2021-26086

medium · 5.3Actively exploited

On the CISA Known Exploited Vulnerabilities catalog

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

Added 2024-11-12Remediation due 2024-12-03

A public exploit / detection template exists

Weaponised detection is publicly available, which meaningfully raises real-world risk regardless of CVSS. nuclei-templates →

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.

5.3

CVSS

100.0%

EPSS (exploit prob.)

100th

EPSS percentile

2021-08-16

Published

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Weaknesses

CWE-22

Affected products

Vendor	Product	Affected versions
atlassian	jira_data_center	< 8.5.14
atlassian	jira_data_center	>= 8.6.0, < 8.13.6
atlassian	jira_data_center	>= 8.14.0, < 8.16.1
atlassian	jira_server	< 8.5.14
atlassian	jira_server	>= 8.6.0, < 8.13.6
atlassian	jira_server	>= 8.14.0, < 8.16.1

Check a specific version with /api/v1/cve/match.

References

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2021-26086