CSRF in Castel Nextgen Dvr
CVE-2020-11682
Castel NextGen DVR v1.0.0 is vulnerable to CSRF in all state-changing request. A __RequestVerificationToken is set by the web interface, and included in requests sent by web interface. However, this token is not verified by the application: the token can be removed from all requests and the request will succeed.
Vulnerability class: CSRF (Cross-Site Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.006 (49.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 49.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Castel Nextgen Dvr
- Castel Nextgen Dvr Firmware — versions 1.0.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.securitymetrics.com/blog/where-did-request-come-from-cross-site-request-for… (Third Party Advisory)
- seclists.org/fulldisclosure/2020/Jun/8 (mailing-list, Mailing List, Third Party Advisory)
- packetstormsecurity.com/files/157954/Castel-NextGen-DVR-1.0.0-Bypass-CSRF-Discl… (Third Party Advisory)
Frequently asked questions
- What is CVE-2020-11682?
- CVE-2020-11682 is a medium-severity vulnerability in Castel Nextgen Dvr, classified under Cross-Site Request Forgery (CSRF). CVSS score: 6.5/10. Published 2020-06-04.
- How severe is CVE-2020-11682?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2020-11682 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.