CVE-2022-31483

high-risk
Published 2022-06-06

An authenticated attacker can upload a file with a filename including “..” and “/” to achieve the ability to upload the desired file anywhere on the filesystem. This vulnerability impacts products based on HID Mercury Intelligent Controllers LP1501, LP1502, LP2500, LP4502, and EP4502 which contain firmware versions prior to 1.271. This allows a malicious actor to overwrite sensitive system files and install a startup service to gain remote access to the underlaying Linux operating system with root privileges.

Do I need to act?

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0.62% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.1/10 Critical
NETWORK / LOW complexity

Affected Products (14)

Lp1501 Firmware
Lp1502 Firmware
Lp2500 Firmware
Lp4502 Firmware
Ep4502 Firmware
Lenels2 Lnl-4420 Firmware
Lenels2 Lnl-X2210 Firmware
Lenels2 Lnl-X2220 Firmware
Lenels2 Lnl-X3300 Firmware
Lenels2 Lnl-X4420 Firmware
Lenels2 S2-Lp-1501 Firmware
Lenels2 S2-Lp-1502 Firmware
Lenels2 S2-Lp-2500 Firmware
Lenels2 S2-Lp-4502 Firmware

Affected Vendors

51
/ 100
high-risk
Severity 31/34 · Critical
Exploitability 2/34 · Minimal
Exposure 18/34 · Moderate