RCE in Urve
CVE-2020-29552
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.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.049 (91.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 91.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.048 · newest: 0.049 · change: +0.001
Affected products
- Urve — versions 24.03.2020
Weakness classification (CWE)
Public proof-of-concept exploits
References
- urve.co.uk/system-rezerwacji-sal (Vendor Advisory)
- www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2020-040.txt (Exploit, Third Party Advisory)
- seclists.org/fulldisclosure/2020/Dec/47 (mailing-list, Exploit, Mailing List, Third Party Advisory)
- packetstormsecurity.com/files/160722/URVE-Software-Build-24.03.2020-Authenticat… (Exploit, VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-29552?
- CVE-2020-29552 is a critical-severity vulnerability in Urve, classified under OS Command Injection. CVSS score: 9.8/10. Published 2020-12-23.
- How severe is CVE-2020-29552?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2020-29552 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.