CVE-2021-44954
In QVIS NVR DVR before 2021-12-13, an attacker can escalate privileges from a qvisdvr user to the...
In QVIS NVR DVR before 2021-12-13, an attacker can escalate privileges from a qvisdvr user to the root user by abusing a Sudo misconfiguration.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
In QVIS NVR DVR before 2021-12-13, an attacker can escalate privileges from a qvisdvr user to the root user by abusing a Sudo misconfiguration.
- Record
CVE-2021-44954- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
CVE List No score
In QVIS NVR DVR before 2021-12-13, an attacker can escalate privileges from a qvisdvr user to the root user by abusing a Sudo misconfiguration.
- Record
CVE-2021-44954- Updated
- 2026-11-02
EUVDEUVD-2021-31752 No score
In QVIS NVR DVR before 2021-12-13, an attacker can escalate privileges from a qvisdvr user to the root user by abusing a Sudo misconfiguration.
- Record
EUVD-2021-31752- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-9799-8rm7-5qfp
In QVIS NVR DVR before 2021-12-13, an attacker can escalate privileges from a qvisdvr user to the...
In QVIS NVR DVR before 2021-12-13, an attacker can escalate privileges from a qvisdvr user to the root user by abusing a Sudo misconfiguration.
- Record
GHSA-9799-8rm7-5qfp- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-44954 is a high vulnerability (CVSS 7.8) in Qvis Dvr Firmware, published July 17, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.32%, the 24th percentile. No source names a fixed version.