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CVE-2021-26086

UNKNOWN
Published 2021-08-16T00:15:09.827127Z
Actions:

Expert Analysis

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CVSS Score

V3.1
5.3
/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.942
probability
of exploitation in the wild

There is a 94.2% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.999
Higher than 99.9% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
LOW
Integrity
NONE
Availability
NONE

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.

Available Exploits

Atlassian Jira Limited - Local File Inclusion

Affected versions of Atlassian Jira Limited Server and Data Center are vulnerable to local file inclusion because they allow remote attackers to read particular files via a path traversal vulnerability in the /WEB-INF/web.xml endpoint.

ID: CVE-2021-26086
Author: cocxanh Medium

References:

Related News

No news articles found for this CVE.

Affected Products

Atlassian

Jira Server

Affected Versions:

unspecified 8.6.0 unspecified 8.14.0 unspecified
Atlassian

Jira Data Center

Affected Versions:

unspecified 8.6.0 unspecified 8.14.0 unspecified
atlassian

jira_server

Affected Versions:

0 8.6.0 8.14.0
atlassian

jira_data_center

Affected Versions:

0 8.6.0 8.14.0

Known Exploited Vulnerability

This vulnerability is actively being exploited in the wild

View KEV Details

Remediation Status

Overdue

Due Date

December 3, 2024

Added to KEV

November 12, 2024

Required Action

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

Affected Product

Vendor/Project: Atlassian
Product: Jira Server and Data Center

Ransomware Risk

Known Ransomware Use
KEV Catalog Version: 2025.01.24 Released: January 24, 2025

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed MODERATE

GHSA-vvhj-8w7x-qj58

Advisory Details

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 Scoring

CVSS Score

5.0

CVSS Vector

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

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2021-26086
WEB https://jira.atlassian.com/browse/JRASERVER-72695
WEB http://packetstormsecurity.com/files/164405/Atlassian-Jira-Server-Data-Center-8.4.0-File-Read.html

Advisory provided by GitHub Security Advisory Database. Published: May 24, 2022, Modified: May 24, 2022

References

https://jira.atlassian.com/browse/JRASERVER-72695
http://packetstormsecurity.com/files/164405/Atlassian-Jira-Server-Data-Center-8.4.0-File-Read.html

HackerOne Reports

Path Traversal CVE-2021-26086 CVE-2021-26085 Medium
kljunowsky
MariaDB
Path Traversal
View Report
Published: 2021-08-16T00:15:09.827127Z
Last Modified: 2024-11-13T14:08:04.358Z
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