⚠ Actively exploited
Added to CISA KEV on 2024-11-12. Federal agencies required to patch by 2024-12-03. Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable..

CVE-2021-26086

CWE-22Path Traversal8 documents8 sources
Severity
5.3MEDIUM
EPSS
94.2%
top 0.08%
CISA KEV
KEV
Added 2024-11-12
Due 2024-12-03
Exploit
Exploited in wild
Active exploitation observed
Timeline
PublishedAug 16
KEV addedNov 12
KEV dueDec 3
CISA Required Action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:NExploitability: 3.9 | Impact: 1.4

Affected Packages4 packages

CVEListV5atlassian/jira_data_centerunspecified8.5.14+4
NVDatlassian/jira_data_center8.6.08.13.6+2
CVEListV5atlassian/jira_serverunspecified8.5.14+4
NVDatlassian/jira_server8.6.08.13.6+2

🔴Vulnerability Details

3
GHSA
GHSA-vvhj-8w7x-qj58: Affected versions of Atlassian Jira Server and Data Center allow remote attackers to read particular files via a path traversal vulnerability in the /2022-05-24
CVEList
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 /2021-08-16
VulnCheck
Atlassian Jira Server and Data Center Path Traversal Vulnerability2021

💥Exploits & PoCs

2
Exploit-DB
Atlassian Jira Server Data Center 8.16.0 - Arbitrary File Read2021-10-06
Nuclei
Atlassian Jira Limited - Local File Inclusion

📋Vendor Advisories

1
CISA
Atlassian Jira Server and Data Center Path Traversal Vulnerability2024-11-12

💬Community

1
HackerOne
Path Traversal CVE-2021-26086 CVE-2021-260852021-11-05
CVE-2021-26086 (MEDIUM CVSS 5.3) | Affected versions of Atlassian Jira | cvebase.io