CVE-2021-26084

Common vulnerabilities & exposures (CVE)

CVE database CVE database blogpost Release & EoL database

Published at: - 30-08-2021 09:15

Last modified: - 10-06-2022 04:26

Total changes: - 14

Description

In affected versions of Confluence Server and Data Center, an OGNL injection vulnerability exists that would allow an unauthenticated attacker to execute arbitrary code on a Confluence Server or Data Center instance. The affected versions are before version 6.13.23, from version 6.14.0 before 7.4.11, from version 7.5.0 before 7.11.6, and from version 7.12.0 before 7.12.5.

Common Vulnerability Scoring System (CVSS)

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

Low

Attack complexity

Network

Attack vector

High

Availability

High

Confidentiality

High

Integrity

None

Privileges required

Unchanged

Scope

None

User interaction

9.8

Base score

3.9

5.9

Exploitability score

Impact score

Verification logic

vendor=atlassian AND product=confluence_server AND versionStartIncluding=7.12.0 AND versionEndExcluding=7.12.5

vendor=atlassian AND product=confluence_data_center AND versionStartIncluding=7.12.0 AND versionEndExcluding=7.12.5

vendor=atlassian AND product=confluence_data_center AND versionStartIncluding=7.5.0 AND versionEndExcluding=7.11.6

vendor=atlassian AND product=confluence_data_center AND versionStartIncluding=6.14.0 AND versionEndExcluding=7.4.11

vendor=atlassian AND product=confluence_data_center AND versionEndExcluding=6.13.23

vendor=atlassian AND product=confluence_server AND versionStartIncluding=6.14.0 AND versionEndExcluding=7.4.11

vendor=atlassian AND product=confluence_server AND versionStartIncluding=7.5.0 AND versionEndExcluding=7.11.6

vendor=atlassian AND product=confluence_server AND versionEndExcluding=6.13.23

Reference

Keywords

CVE-2021-26084

Common vulnerabilities & exposures (CVE)

Description

Common Vulnerability Scoring System (CVSS)

Verification logic

Reference

NVD

CVE-2021-26084

CVE

Common vulnerabilities & exposures

CVSS

Common vulnerability scoring system

Security

Vulnerabilities

Exposures