Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2021-44832

Severity CVSS v4.0:
Pending analysis
Type:
CWE-20 Input Validation
Publication date:
28/12/2021
Last modified:
07/11/2023

Description

Apache Log4j2 versions 2.0-beta7 through 2.17.0 (excluding security fix releases 2.3.2 and 2.12.4) are vulnerable to a remote code execution (RCE) attack when a configuration uses a JDBC Appender with a JNDI LDAP data source URI when an attacker has control of the target LDAP server. This issue is fixed by limiting JNDI data source names to the java protocol in Log4j2 versions 2.17.1, 2.12.4, and 2.3.2.

Impact

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

Base Score: 6.60 MEDIUM
Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

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

Base Score 3.x
6.60
Severity 3.x
MEDIUM
Vector 2.0
AV:N/AC:M/Au:S/C:C/I:C/A:C CVSS v2.0 Severity and Metrics:

Base Score: 8.50 HIGH
Vector: AV:N/AC:M/Au:S/C:C/I:C/A:C

Attack Vector (AV): Network
Attack Complexity (AC): Medium
Authentication (Au): Single
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete

Base Score 2.0
8.50
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:apache:log4j:*:*:*:*:*:*:*:* 2.0.1 (including) 2.3.2 (excluding)
cpe:2.3:a:apache:log4j:*:*:*:*:*:*:*:* 2.4 (including) 2.12.4 (excluding)
cpe:2.3:a:apache:log4j:*:*:*:*:*:*:*:* 2.13.0 (including) 2.17.1 (excluding)
cpe:2.3:a:apache:log4j:2.0:-:*:*:*:*:*:*
cpe:2.3:a:apache:log4j:2.0:beta7:*:*:*:*:*:*
cpe:2.3:a:apache:log4j:2.0:beta8:*:*:*:*:*:*
cpe:2.3:a:apache:log4j:2.0:beta9:*:*:*:*:*:*
cpe:2.3:a:apache:log4j:2.0:rc1:*:*:*:*:*:*
cpe:2.3:a:apache:log4j:2.0:rc2:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_diameter_signaling_router:*:*:*:*:*:*:*:* 8.0.0.0 (including) 8.5.1.0 (including)
cpe:2.3:a:oracle:communications_interactive_session_recorder:6.3:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_interactive_session_recorder:6.4:*:*:*:*:*:*:*
cpe:2.3:a:oracle:primavera_gateway:*:*:*:*:*:*:*:* 17.12.0 (including) 17.12.11 (including)
cpe:2.3:a:oracle:primavera_gateway:*:*:*:*:*:*:*:* 18.8.0 (including) 18.8.13 (including)
cpe:2.3:a:oracle:primavera_gateway:*:*:*:*:*:*:*:* 19.12.0 (including) 19.12.12 (including)

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


References to Advisories, Solutions, and Tools