CVE-2020-29552
9.8
CRITICAL · CVSS 3.1 · EPSS 4.9% (pctl 92)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
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.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 4.88% — more likely to be exploited than 92% of all CVEs |
| Weakness | CWE-78 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2020-12-23 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| urve | urve |
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
→ the Explorer · watch your stack · NVD