CVE-2021-26084

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.

CVSS v3 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

V2 Legend

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
http://packetstormsecurity.com/files/167449/Atlassian-Confluence-Namespace-OGNL-Injection.html	Exploit Third Party Advisory VDB Entry
https://jira.atlassian.com/browse/CONFSERVER-67940	Issue Tracking Patch Vendor Advisory
http://packetstormsecurity.com/files/167449/Atlassian-Confluence-Namespace-OGNL-Injection.html	Exploit Third Party Advisory VDB Entry
https://jira.atlassian.com/browse/CONFSERVER-67940	Issue Tracking Patch Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:atlassian:confluence_data_center::::::::
	cpe:2.3:a:atlassian:confluence_data_center::::::::
	cpe:2.3:a:atlassian:confluence_data_center::::::::
	cpe:2.3:a:atlassian:confluence_data_center::::::::
	cpe:2.3:a:atlassian:confluence_server::::::::
	cpe:2.3:a:atlassian:confluence_server::::::::
	cpe:2.3:a:atlassian:confluence_server::::::::
	cpe:2.3:a:atlassian:confluence_server::::::::

History

21 Nov 2024, 05:55

Type	Values Removed	Values Added
References	~~() http://packetstormsecurity.com/files/167449/Atlassian-Confluence-Namespace-OGNL-Injection.html - Exploit, Third Party Advisory, VDB Entry~~	() http://packetstormsecurity.com/files/167449/Atlassian-Confluence-Namespace-OGNL-Injection.html - Exploit, Third Party Advisory, VDB Entry
References	~~() https://jira.atlassian.com/browse/CONFSERVER-67940 - Issue Tracking, Patch, Vendor Advisory~~	() https://jira.atlassian.com/browse/CONFSERVER-67940 - Issue Tracking, Patch, Vendor Advisory

08 Aug 2023, 14:21

Type	Values Removed	Values Added
CWE	~~CWE-74~~	CWE-917

Information

Published : 2021-08-30 07:15

Updated : 2025-02-10 18:02

NVD link : CVE-2021-26084

Mitre link : CVE-2021-26084

CVE.ORG link : CVE-2021-26084

JSON object : View

Products Affected

atlassian

confluence_data_center
confluence_server

CWE

CWE-917

Improper Neutralization of Special Elements used in an Expression Language Statement ('Expression Language Injection')

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9.8 /10