AEGLIX vulnerability intelligence
CVE-2021-26085
MEDIUM · CVSS 5.3 · Analyzed
Published: 2021-08-03 · Updated: 2026-06-17 · Source: NVD
Vulnerability overview
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.
Severity and scoring
- CVSS score
- 5.3 · MEDIUM
- CVSS version
- 3.1
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- Weaknesses
- CWE-425
CVSS measures technical severity; it does not establish whether this vulnerability is being exploited in your environment.
Known exploitation and remediation
Listed in CISA’s Known Exploited Vulnerabilities catalog.
- Affected product
- Atlassian · Confluence Server
- Added to catalog
- 2022-03-28
- Required action
- Apply updates per vendor instructions.
- CISA remediation due date
- 2022-04-18
CISA deadlines apply to the organizations covered by its directives. Confirm your own remediation requirements.
Verify affected versions and patch availability in the vendor advisory before making changes.
Affected products and versions
cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:*
Before (exclusive): 7.4.10
cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:*
From (inclusive): 7.5.0
Before (exclusive): 7.12.3
cpe:2.3:a:atlassian:confluence_server:*:*:*:*:*:*:*:*
Before (exclusive): 7.4.10
cpe:2.3:a:atlassian:confluence_server:*:*:*:*:*:*:*:*
From (inclusive): 7.5.0
Before (exclusive): 7.12.3
These are NVD CPE applicability entries. Some products depend on configuration conditions; consult the official record to confirm applicability.
Advisories and references
- http://packetstormsecurity.com/files/164401/Atlassian-Confluence-Server-7.5.1-Arbitrary-File-Read.html
Exploit · Third Party Advisory · VDB Entry
- https://jira.atlassian.com/browse/CONFSERVER-67893
Issue Tracking · Vendor Advisory
- http://packetstormsecurity.com/files/164401/Atlassian-Confluence-Server-7.5.1-Arbitrary-File-Read.html
Exploit · Third Party Advisory · VDB Entry
- https://jira.atlassian.com/browse/CONFSERVER-67893
Issue Tracking · Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-26085
US Government Resource