MEDIUM CISA KEV

CVE-2021-26085

CVSS v3

5.3

MEDIUM

EPSS Score

94.0%

exploit probability

CISA KEV

Yes

known exploited

Exploitation

—

SSVC status

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.

CISA Known Exploited Vulnerability

Date Added
3/28/2022
Patch Due Date
4/18/2022
Ransomware Use
Known

Technical details

Published
8/3/2021

Frequently asked questions

What is CVE-2021-26085?

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.

Is CVE-2021-26085 actively exploited?

Yes. CVE-2021-26085 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 4/18/2022.

What is the CVSS score for CVE-2021-26085?

CVE-2021-26085 has a CVSS v3 base score of 5.3 (MEDIUM severity).

Is CVE-2021-26085 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.

Check an IPSearch CVEs

Other 2021 vulnerabilities worth triaging

Ranked by exploit probability (EPSS).

Back to CVE Database