What’s Vulnerable › Vulnerabilities

CVE-2021-41419

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 9.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-07-18 · updated 2026-06-17
• Weakness: CWE-502

Description

QVIS NVR DVR before 2021-12-13 is vulnerable to Remote Code Execution via Java deserialization.

Affected products

• Qvis Dvr Firmware: before 2021-12-13 — fixed in 2021-12-13
• Qvis Nvr Firmware: before 2021-12-13 — fixed in 2021-12-13

How to fix

Upgrade to a fixed version: Qvis Dvr Firmware 2021-12-13; Qvis Nvr Firmware 2021-12-13. Check the vendor advisory for mitigations.

References

• https://gist.github.com/Meeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee/712ac36c8a08e2698e875169442a23a4
• https://github.com/projectdiscovery/nuclei-templates/blob/master/iot/qvisdvr-deserialization-rce.yaml
• https://twitter.com/Me9187/status/1414904314368348163
• https://gist.github.com/Meeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee/712ac36c8a08e2698e875169442a23a4
• https://github.com/projectdiscovery/nuclei-templates/blob/master/iot/qvisdvr-deserialization-rce.yaml
• https://twitter.com/Me9187/status/1414904314368348163

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