How severe is CVE-2020-11681?

CVE-2020-11681 has a CVSS 3.x base score of 8.1, 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 none.

Is CVE-2020-11681 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-11681?

CVE-2020-11681 affects Castel Nextgen Dvr Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-11681?

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-2020-11681 published?

CVE-2020-11681 was published on 2020-06-04 and last updated on 2026-06-17.

CVE-2020-11681

CVE-2020-11681 is a high-severity vulnerability in Castel Nextgen Dvr Firmware with a CVSS 3.x base score of 8.1. 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-522.

Key facts

Severity: High (CVSS 3.x base score 8.1)
CVSS v2: 4.0
EPSS exploit prediction: 1% (63rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-522
Affected product: Castel Nextgen Dvr Firmware
Published: 2020-06-04
Last modified: 2026-06-17

Description

Castel NextGen DVR v1.0.0 stores and displays credentials for the associated SMTP server in cleartext. Low privileged users can exploit this to create an administrator user and obtain the SMTP credentials.

Frequently asked questions

What is CVE-2020-11681?: Castel NextGen DVR v1.0.0 stores and displays credentials for the associated SMTP server in cleartext. Low privileged users can exploit this to create an administrator user and obtain the SMTP credentials.
How severe is CVE-2020-11681?: CVE-2020-11681 has a CVSS 3.x base score of 8.1, 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 none.
Is CVE-2020-11681 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-11681?: CVE-2020-11681 affects Castel Nextgen Dvr Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-11681?: 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-2020-11681 published?: CVE-2020-11681 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-2020-11679 — High (CVSS 8.8): Castel NextGen DVR v1.0.0 is vulnerable to privilege escalation through the Adminstrator/Users/Edit/:UserId…
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-522 (Insufficiently Protected Credentials) vulnerabilities

CVE-2026-7312 — Critical (CVSS 10.0): CWE‑522: Insufficiently Protected Credentials in web services in Progress Sitefinity version from 14.0.7700 to…
CVE-2026-29128 — Critical (CVSS 10.0): IDC SFX2100 Satellite Receiver firmware ships with multiple daemon configuration files for routing components (e.g.,…
CVE-2025-54863 — Critical (CVSS 10.0): Radiometrics VizAir is vulnerable to exposure of the system's REST API key through a publicly accessible configuration…
CVE-2024-12799 — Critical (CVSS 10.0): Insufficiently Protected Credentials vulnerability in OpenText Identity Manager Advanced Edition on Windows, Linux, 64…
CVE-2024-51545 — Critical (CVSS 10.0): Username Enumeration vulnerabilities allow access to application level username add, delete, modify and list…
CVE-2023-1778 — Critical (CVSS 10.0): This vulnerability exists in GajShield Data Security Firewall firmware versions prior to v4.28 (except v4.21) due to…

Browse all CWE-522 (Insufficiently Protected Credentials) vulnerabilities →