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

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CVE-2021-42237

Severity CVSS v4.0:
Pending analysis
Type:
CWE-502 Deserialization of Untrusted Dat
Publication date:
05/11/2021
Last modified:
03/04/2025

Description

Sitecore XP 7.5 Initial Release to Sitecore XP 8.2 Update-7 is vulnerable to an insecure deserialization attack where it is possible to achieve remote command execution on the machine. No authentication or special configuration is required to exploit this vulnerability.

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:C/I:C/A:C CVSS v2.0 Severity and Metrics:

Base Score: 10.00 HIGH
Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C

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

Base Score 2.0
10.00
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:sitecore:experience_platform:7.5:-:*:*:*:*:*:*
cpe:2.3:a:sitecore:experience_platform:7.5:update1:*:*:*:*:*:*
cpe:2.3:a:sitecore:experience_platform:7.5:update2:*:*:*:*:*:*
cpe:2.3:a:sitecore:experience_platform:8.0:-:*:*:*:*:*:*
cpe:2.3:a:sitecore:experience_platform:8.0:sp1:*:*:*:*:*:*
cpe:2.3:a:sitecore:experience_platform:8.0:update1:*:*:*:*:*:*
cpe:2.3:a:sitecore:experience_platform:8.0:update2:*:*:*:*:*:*
cpe:2.3:a:sitecore:experience_platform:8.0:update3:*:*:*:*:*:*
cpe:2.3:a:sitecore:experience_platform:8.0:update4:*:*:*:*:*:*
cpe:2.3:a:sitecore:experience_platform:8.0:update5:*:*:*:*:*:*
cpe:2.3:a:sitecore:experience_platform:8.0:update6:*:*:*:*:*:*
cpe:2.3:a:sitecore:experience_platform:8.0:update7:*:*:*:*:*:*
cpe:2.3:a:sitecore:experience_platform:8.1:-:*:*:*:*:*:*
cpe:2.3:a:sitecore:experience_platform:8.1:update1:*:*:*:*:*:*
cpe:2.3:a:sitecore:experience_platform:8.1:update2:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools