Sitecore XP 7.5.0 <= 8.2.7 Remote Code Execution

critical Web App Scanning Plugin ID 113077

Synopsis

Sitecore XP 7.5.0 <= 8.2.7 Remote Code Execution

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.

Solution

Upgrade your Sitecore XP instance to Sitecore XP 8.0.0 - 8.2.7 and remove the file 'Report.ashx' or upgrade to 9.0.0 or higher

See Also

https://blog.assetnote.io/2021/11/02/sitecore-rce/

https://support.sitecore.com/kb?id=kb_article_view&sysparm_article=KB1000776

Plugin Details

Severity: Critical

ID: 113077

Type: remote

Published: 12/15/2021

Updated: 12/15/2021

Scan Template: basic, full, pci, scan

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: Critical

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2021-42237

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS Score Source: CVE-2021-42237

Vulnerability Information

CPE: cpe:2.3:a:sitecore:experience_platform:*:*:*:*:*:*:*:*

Exploit Available: true

Exploit Ease: Exploits are available

Vulnerability Publication Date: 11/5/2021

CISA Known Exploited Vulnerability Due Dates: 4/15/2022

Reference Information

CVE: CVE-2021-42237