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CVE-2021-26085

Known Exploited (CISA KEV)MEDIUM

5.3

CVSS Severity Score

EPSS Score88.8890%

EPSS Percentile91.18th

Published2021年8月3日

Last Modified2025年10月24日

Vulnerability 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.

Affected Platforms (CPE)

📦

Atlassian

Confluence Data Center

< 7.4.10

📦

Atlassian

Confluence Data Center

>= 7.5.0 and < 7.12.3

📦

Atlassian

Confluence Server

< 7.4.10

📦

Atlassian

Confluence Server

>= 7.5.0 and < 7.12.3

References & Advisories

🔗 http://packetstormsecurity.com/files/164401/Atlassian-Confluence-Server-7.5.1-Arbitrary-File-Read.html

🔗 https://jira.atlassian.com/browse/CONFSERVER-67893

🔗 http://packetstormsecurity.com/files/164401/Atlassian-Confluence-Server-7.5.1-Arbitrary-File-Read.html

🔗 https://jira.atlassian.com/browse/CONFSERVER-67893

🔗 https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-26085

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