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

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

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

No history.

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_server
confluence_data_center

CWE

CWE-917

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

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