Auth bypass in Castel Nextgen Dvr
CVE-2020-11680
Castel NextGen DVR v1.0.0 is vulnerable to authorization bypass on all administrator functionality. The application fails to check that a request was submitted by an administrator. Consequently, a normal user can perform actions including, but not limited to, creating/modifying the file store, creating/modifying alerts, creating/modifying users, etc.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.012 (66.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 66th percentile — 66.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · 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/attackers-known-unknown-authorization-bypass (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-2020-11680?
- CVE-2020-11680 is a medium-severity vulnerability in Castel Nextgen Dvr, classified under Missing Authorization. CVSS score: 6.5/10. Published 2020-06-04.
- How severe is CVE-2020-11680?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2020-11680 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.