CVE-2021-26084

EUVD-2021-12905
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.
Expression Language Injection
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA-ADPADP
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 99%
Affected Products (NVD)
VendorProductVersion
atlassianconfluence_data_center
𝑥
< 6.13.23
atlassianconfluence_data_center
6.14.0 ≤
𝑥
< 7.4.11
atlassianconfluence_data_center
7.5.0 ≤
𝑥
< 7.11.6
atlassianconfluence_data_center
7.12.0 ≤
𝑥
< 7.12.5
atlassianconfluence_server
𝑥
< 6.13.23
atlassianconfluence_server
6.14.0 ≤
𝑥
< 7.4.11
atlassianconfluence_server
7.5.0 ≤
𝑥
< 7.11.6
atlassianconfluence_server
7.12.0 ≤
𝑥
< 7.12.5
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
http://packetstormsecurity.com/files/167449/Atlassian-Confluence-Namespace-OGNL-Injection.html
https://jira.atlassian.com/browse/CONFSERVER-67940
http://packetstormsecurity.com/files/167449/Atlassian-Confluence-Namespace-OGNL-Injection.html
https://jira.atlassian.com/browse/CONFSERVER-67940
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-26084