VulnerabilityAnalyzed

CVE-2023-53914

UliCMS 2023.1 contains an authentication bypass vulnerability that allows unauthenticated attackers to create admin users through mass assignment in the UserController.

CRITICAL 9.3EPSS 0.69%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.69%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

UliCMS 2023.1 contains an authentication bypass vulnerability that allows unauthenticated attackers to create admin users through mass assignment in the UserController. Attackers can send a crafted POST request to the admin index.php endpoint with specific parameters to generate an administrative account with full system access.

CVSS 4.0: 9.3 CRITICALCVSS: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:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
EPSS: 0.69% probability · 51th percentile
CISA KEV: Not listed
Weakness: CWE-639
Affected: ulicms/ulicms
Source: disclosure@vulncheck.com

References

https://web.archive.org/web/20230314183734/https://en.ulicms.de/Product
https://www.exploit-db.com/exploits/51486Exploit
https://www.vulncheck.com/advisories/ulicms-authentication-bypass-via-mass-assignment-vulnerabilityThird Party Advisory
https://www.exploit-db.com/exploits/51486Exploit

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.