Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2021-26084

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
30/08/2021
Last modified:
10/02/2025

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.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 9.80 CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
9.80
Severity 3.x
CRITICAL
Vector 2.0
AV:N/AC:L/Au:N/C:P/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): Physical
Availability (A): Physical

Base Score 2.0
7.50
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:* 6.13.23 (excluding)
cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:* 6.14.0 (including) 7.4.11 (excluding)
cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:* 7.5.0 (including) 7.11.6 (excluding)
cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:* 7.12.0 (including) 7.12.5 (excluding)
cpe:2.3:a:atlassian:confluence_server:*:*:*:*:*:*:*:* 6.13.23 (excluding)
cpe:2.3:a:atlassian:confluence_server:*:*:*:*:*:*:*:* 6.14.0 (including) 7.4.11 (excluding)
cpe:2.3:a:atlassian:confluence_server:*:*:*:*:*:*:*:* 7.5.0 (including) 7.11.6 (excluding)
cpe:2.3:a:atlassian:confluence_server:*:*:*:*:*:*:*:* 7.12.0 (including) 7.12.5 (excluding)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools