Auth bypass in Castel Nextgen Dvr
CVE-2020-11679
Castel NextGen DVR v1.0.0 is vulnerable to privilege escalation through the Adminstrator/Users/Edit/:UserId functionality. Adminstrator/Users/Edit/:UserId fails to check that the request was submitted by an Administrator. This allows a normal user to escalate their privileges by adding additional roles to their account.
Vulnerability class: Broken Access Control
EPSS: 0.020 (78.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Castel Nextgen_dvr
- Castel Nextgen_dvr_firmware — versions 1.0.0
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (mailing-list, Exploit, x_refsource_FULLDISC, Mailing List, Third Party Advisory)
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2020-11679?
- CVE-2020-11679 is a high-severity vulnerability in Castel Nextgen Dvr, classified under Missing Authorization. CVSS score: 8.8/10. Published 2020-06-04.
- How severe is CVE-2020-11679?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2020-11679 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.