CVE-2021-44954
HIGHCVSS 7.8/10EPSS 0.31%
Last modified
CVE-2021-44954 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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.. EPSS estimates a 0.31% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Qvis | Dvr Firmware | < 2021-12-13 |
| Qvis | Nvr Firmware | < 2021-12-13 |
References
- https://twitter.com/Me9187/status/1414906288287404039Exploit, Third Party Advisory
- https://twitter.com/Me9187/status/1414906288287404039Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-44954?
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.
How severe is CVE-2021-44954?
CVE-2021-44954 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.31% probability of exploitation in the next 30 days.
How do I fix CVE-2021-44954?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2021
- CVE-2021-44927A null pointer dereference vulnerability exists in gpac 1.1.…5.5
- CVE-2021-44935glFusion CMS v1.7.9 is affected by an arbitrary user imperso…9.1
- CVE-2021-44937glFusion CMS v1.7.9 is affected by an arbitrary user registr…5.3
- CVE-2021-44942glFusion CMS 1.7.9 is affected by a Cross Site Request Forge…4.3
- CVE-2021-44948Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultID…
- CVE-2021-44949glFusion CMS 1.7.9 is affected by an access control vulnerab…9.8
- CVE-2021-44956Two Heap based buffer overflow vulnerabilities exist in ffjp…6.5
- CVE-2021-44957Global buffer overflow vulnerability exist in ffjpeg through…6.5
- CVE-2021-44960In SVGPP SVG++ library 1.3.0, the XMLDocument::getRoot funct…6.5
- CVE-2021-44961A memory leakage flaw exists in the class PerimeterGenerator…5.5
- CVE-2021-44962An out-of-bounds read vulnerability exists in the GCode::ext…5.5
- CVE-2021-44964Use after free in garbage collector and finalizer of lgc.c i…6.3
Are you affected by CVE-2021-44954?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST