VulnerabilityAnalyzed

CVE-2023-53924

UliCMS 2023.1-sniffing-vicuna contains a remote code execution vulnerability that allows authenticated attackers to upload PHP files with .phar extension during profile avatar upload.

HIGH 8.7EPSS 0.94%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.94%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

UliCMS 2023.1-sniffing-vicuna contains a remote code execution vulnerability that allows authenticated attackers to upload PHP files with .phar extension during profile avatar upload. Attackers can trigger code execution by visiting the uploaded file's location, enabling system command execution through maliciously crafted avatar uploads.

CVSS 4.0: 8.7 HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:L/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: 0.94% probability · 59th percentile
CISA KEV: Not listed
Weakness: CWE-434
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/51434Exploit
https://www.vulncheck.com/advisories/ulicms-sniffing-vicuna-remote-code-execution-via-avatar-uploadThird Party Advisory
https://www.exploit-db.com/exploits/51434Exploit

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