CVE-2023-53923 — CRITICAL (9.8)

Vulnerability Description

UliCMS 2023.1 contains a privilege escalation vulnerability that allows unauthenticated attackers to create administrative accounts through the UserController endpoint. Attackers can send a crafted POST request to /dist/admin/index.php with specific parameters to generate a new admin user with full system access.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Ulicms	Ulicms	2023.1

Related Weaknesses (CWE)

CWE-862

References

https://web.archive.org/web/20230314183734/https://en.ulicms.de/Product
https://www.exploit-db.com/exploits/51433Exploit
https://www.vulncheck.com/advisories/ulicms-privilege-escalation-via-unauthenticThird Party Advisory
https://www.exploit-db.com/exploits/51433Exploit

FAQ

What is CVE-2023-53923?

CVE-2023-53923 is a vulnerability with a CVSS score of 9.8 (CRITICAL). UliCMS 2023.1 contains a privilege escalation vulnerability that allows unauthenticated attackers to create administrative accounts through the UserController endpoint. Attackers can send a crafted PO...

How severe is CVE-2023-53923?

CVE-2023-53923 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2023-53923?

Check the references section above for vendor advisories and patch information. Affected products include: Ulicms Ulicms.