CVE-2023-53923

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 v3.1 Score

9.8

CRITICAL

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

Weakness Type (CWE)

CWE-862 Missing Authorization

Affected Products

Vendor	Product	Versions
ulicms	ulicms	All

References

Exploits

https://www.exploit-db.com/exploits/51433 https://www.exploit-db.com/exploits/51433

Other References

https://web.archive.org/web/20230314183734/https://en.ulicms.de/ https://www.vulncheck.com/advisories/ulicms-privilege-escalation-via-unauthenticated-admin-account-creation

Frequently Asked Questions

What is CVE-2023-53923? +

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. It has a CVSS v3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2023-53923? +

CVE-2023-53923 has a CVSS v3.1 score of 9.8 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

What products are affected by CVE-2023-53923? +

CVE-2023-53923 affects products from ulicms, specifically: ulicms. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2023-53923? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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