Auth bypass in Urve
CVE-2020-29551
An issue was discovered in URVE Build 24.03.2020. Using the _internal/pc/shutdown.php path, it is possible to shutdown the system. Among others, the following files and scripts are also accessible: _internal/pc/abort.php, _internal/pc/restart.php, _internal/pc/vpro.php, _internal/pc/wake.php, _internal/error_u201409.txt, _internal/runcmd.php, _internal/getConfiguration.php, ews/autoload.php, ews/del.php, ews/mod.php, ews/sync.php, utils/backup/backup_server.php, utils/backup/restore_server.php, MyScreens/timeline.config, kreator.html5/test.php, and addedlogs.txt.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H.
EPSS exploit prediction
EPSS: 0.029 (86.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 86th percentile — 86.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.028 · newest: 0.029 · change: +0.000
Affected products
- Urve — versions 24.03.2020
Weakness classification (CWE)
References
- urve.co.uk/system-rezerwacji-sal (Vendor Advisory)
- www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2020-041.txt (Exploit, Third Party Advisory)
- seclists.org/fulldisclosure/2020/Dec/48 (mailing-list, Exploit, Mailing List, Third Party Advisory)
- packetstormsecurity.com/files/160725/URVE-Software-Build-24.03.2020-Missing-Aut… (Exploit, VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-29551?
- CVE-2020-29551 is a critical-severity vulnerability in Urve, classified under Missing Authentication for Critical Function. CVSS score: 9.1/10. Published 2020-12-23.
- How severe is CVE-2020-29551?
- Critical severity. CVSS v3 base score is 9.1 out of 10.