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CVE-2021-26085

MEDIUMCISA KEV

5.3

Description

Affected versions of Atlassian Confluence Server allow remote attackers to view restricted resources via a Pre-Authorization Arbitrary File Read vulnerability in the /s/ endpoint. The affected versions are before version 7.4.10, and from version 7.5.0 before 7.12.3.

CVE Details

CVSS v3.1 Score5.3

SeverityMEDIUM

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published8/3/2021

Last Modified10/24/2025

Sourcekev

Honeypot Sightings0

CISA KEV

VendorAtlassian

ProductConfluence Server

Vulnerability NameAtlassian Confluence Server Pre-Authorization Arbitrary File Read Vulnerability

KEV Date Added2022-03-28

Remediation Due Date2022-04-18

Ransomware UseKnown

Affected Products

atlassian:confluence_data_centeratlassian:confluence_server

Weaknesses (CWE)

CWE-425CWE-425

References

http://packetstormsecurity.com/files/164401/Atlassian-Confluence-Server-7.5.1-Arbitrary-File-Read.html(security@atlassian.com)

https://jira.atlassian.com/browse/CONFSERVER-67893(security@atlassian.com)

http://packetstormsecurity.com/files/164401/Atlassian-Confluence-Server-7.5.1-Arbitrary-File-Read.html(af854a3a-2127-422b-91ae-364da2661108)

https://jira.atlassian.com/browse/CONFSERVER-67893(af854a3a-2127-422b-91ae-364da2661108)

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-26085(134c704f-9b21-4f2e-91b3-4a467353bcc0)

IOC Correlations

No correlations recorded

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