Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2021-42550

Severity CVSS v4.0:
Pending analysis
Type:
CWE-502 Deserialization of Untrusted Dat
Publication date:
16/12/2021
Last modified:
12/12/2022

Description

In logback version 1.2.7 and prior versions, an attacker with the required privileges to edit configurations files could craft a malicious configuration allowing to execute arbitrary code loaded from LDAP servers.

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:qos:logback:*:*:*:*:*:*:*:* 1.2.7 (including)
cpe:2.3:a:qos:logback:1.3.0:alpha0:*:*:*:*:*:*
cpe:2.3:a:qos:logback:1.3.0:alpha1:*:*:*:*:*:*
cpe:2.3:a:qos:logback:1.3.0:alpha10:*:*:*:*:*:*
cpe:2.3:a:qos:logback:1.3.0:alpha2:*:*:*:*:*:*
cpe:2.3:a:qos:logback:1.3.0:alpha3:*:*:*:*:*:*
cpe:2.3:a:qos:logback:1.3.0:alpha4:*:*:*:*:*:*
cpe:2.3:a:qos:logback:1.3.0:alpha5:*:*:*:*:*:*
cpe:2.3:a:qos:logback:1.3.0:alpha6:*:*:*:*:*:*
cpe:2.3:a:qos:logback:1.3.0:alpha7:*:*:*:*:*:*
cpe:2.3:a:qos:logback:1.3.0:alpha8:*:*:*:*:*:*
cpe:2.3:a:qos:logback:1.3.0:alpha9:*:*:*:*:*:*
cpe:2.3:a:redhat:satellite:6.0:*:*:*:*:*:*:*
cpe:2.3:a:netapp:cloud_manager:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:service_level_manager:-:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools