medium5.3Known exploitedPublic exploit code
CVE-2021-26085
Atlassian Confluence Server Pre-Authorization Arbitrary File Read Vulnerability
Exploited in the wild
This vulnerability is on a Known Exploited Vulnerabilities catalogue, added 2022-03-28. Federal due date: 2022-04-18.
Apply updates per vendor instructions.
Public exploit code
Working exploit or proof of concept code has been published for this vulnerability. Treat unpatched systems as at risk.
- Atlassian Confluence 7.12.2 - Pre-Authorization Arbitrary File Read2021-10-05 · webapps · java
Impact
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 products
| Vendor | Product | Affected versions |
|---|---|---|
| Atlassian | Confluence Data Center | before 7.4.10 from 7.5.0 before 7.12.3 |
| Atlassian | Confluence Server | before 7.4.10 from 7.5.0 before 7.12.3 |
Weakness classification
References
- NVD record
- CVE.org record
- CISA KEV catalog
- 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