#VU104042 Code Injection in Sitecore Experience Platform - CVE-2023-35813

Vulnerability identifier: #VU104042

Vulnerability risk: Critical

CVSSv4.0: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Red]

CVE-ID: CVE-2023-35813

CWE-ID: CWE-94

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
Sitecore Experience Platform
Web applications / Forum & blogging software

Vendor: Sitecore

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to improper input validation when handling HTTP POST requests. A remote non-authenticated attacker can send a specially crafted HTTP POST request to the application and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Sitecore Experience Platform: 8.2 - 10.3

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External links
https://support.sitecore.com/kb?id=kb_article_view&sysparm_article=KB1002979

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.