How severe is CVE-2020-11679?

CVE-2020-11679 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-11679 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-11679?

CVE-2020-11679 affects Castel Nextgen Dvr Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-11679?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-11679 published?

CVE-2020-11679 was published on 2020-06-04 and last updated on 2026-06-17.

CVE-2020-11679

CVE-2020-11679 is a high-severity vulnerability in Castel Nextgen Dvr Firmware with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-862.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.5
EPSS exploit prediction: 2% (79th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-862
Affected product: Castel Nextgen Dvr Firmware
Published: 2020-06-04
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2020-11679?: CVE-2020-11679 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-11679 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-11679?: CVE-2020-11679 affects Castel Nextgen Dvr Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-11679?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-11679 published?: CVE-2020-11679 was published on 2020-06-04 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:castel:nextgen_dvr_firmware:1.0.0:*:*:*:*:*:*:*

More vulnerabilities in Castel Nextgen Dvr Firmware

CVE-2020-11681 — High (CVSS 8.1): Castel NextGen DVR v1.0.0 stores and displays credentials for the associated SMTP server in cleartext. Low privileged…
CVE-2020-11682 — Medium (CVSS 6.5): Castel NextGen DVR v1.0.0 is vulnerable to CSRF in all state-changing request. A __RequestVerificationToken is set by…
CVE-2020-11680 — Medium (CVSS 6.5): Castel NextGen DVR v1.0.0 is vulnerable to authorization bypass on all administrator functionality. The application…

All CVEs affecting Castel Nextgen Dvr Firmware →

Other CWE-862 (Missing Authorization) vulnerabilities

CVE-2026-0092 — Critical (CVSS 10.0): In Package Manager, there is a possible device lock controller bypass due to a missing permission check. This could…
CVE-2026-33712 — Critical (CVSS 10.0): Typebot is a chatbot builder tool. In versions 3.15.2 and prior, the preview chat endpoint (POST…
CVE-2026-2031 — Critical (CVSS 10.0): An Improper Access Control vulnerability in several internal API endpoints for Google Cloud Application Integration…
CVE-2026-34976 — Critical (CVSS 10.0): Dgraph is an open source distributed GraphQL database. Prior to 25.3.1, the restoreTenant admin mutation is missing…
CVE-2025-30416 — Critical (CVSS 10.0): Sensitive data disclosure and manipulation due to missing authorization. The following products are affected: Acronis…
CVE-2025-45854 — Critical (CVSS 10.0): /server/executeExec of JEHC-BPM 2.0.1 allows attackers to execute arbitrary code via execParams.

Browse all CWE-862 (Missing Authorization) vulnerabilities →