CVE-2020-29552

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.9% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2020-12-23 · updated 2026-06-17
Weakness: CWE-78

Description

An issue was discovered in URVE Build 24.03.2020. By using the _internal/pc/vpro.php?mac=0&ip=0&operation=0&usr=0&pass=0%3bpowershell+-c+" substring, it is possible to execute a Powershell command and redirect its output to a file under the web root.

Affected products

Urve: 24.03.2020

References

http://packetstormsecurity.com/files/160722/URVE-Software-Build-24.03.2020-Authentication-Bypass-Remote-Code-Execution.html
http://seclists.org/fulldisclosure/2020/Dec/47
https://urve.co.uk/system-rezerwacji-sal
https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2020-040.txt
http://packetstormsecurity.com/files/160722/URVE-Software-Build-24.03.2020-Authentication-Bypass-Remote-Code-Execution.html
http://seclists.org/fulldisclosure/2020/Dec/47
https://urve.co.uk/system-rezerwacji-sal
https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2020-040.txt

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