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.

CVSS v3 7.8 HIGH

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://gist.github.com/Meeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee/a670418d51051d4e6513d86e84e8d5b8	Third Party Advisory
https://twitter.com/Me9187/status/1414906288287404039	Exploit Third Party Advisory
https://gist.github.com/Meeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee/a670418d51051d4e6513d86e84e8d5b8	Third Party Advisory
https://twitter.com/Me9187/status/1414906288287404039	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:qvis:dvr_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:qvis:dvr:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:o:qvis:nvr_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:qvis:nvr:-:*:*:*:*:*:*:*

History

21 Nov 2024, 06:31

Type	Values Removed	Values Added
References	~~() https://gist.github.com/Meeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee/a670418d51051d4e6513d86e84e8d5b8 - Third Party Advisory~~	() https://gist.github.com/Meeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee/a670418d51051d4e6513d86e84e8d5b8 - Third Party Advisory
References	~~() https://twitter.com/Me9187/status/1414906288287404039 - Exploit, Third Party Advisory~~	() https://twitter.com/Me9187/status/1414906288287404039 - Exploit, Third Party Advisory

Information

Published : 2022-07-18 00:15

Updated : 2024-11-21 06:31

NVD link : CVE-2021-44954

Mitre link : CVE-2021-44954

CVE.ORG link : CVE-2021-44954

JSON object : View

Products Affected

qvis

nvr_firmware
nvr
dvr
dvr_firmware

CWE

NVD-CWE-noinfo

{"id": "CVE-2021-44954", "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "published": "2022-07-18T00:15:08.497", "references": [{"url": "https://gist.github.com/Meeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee/a670418d51051d4e6513d86e84e8d5b8", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://twitter.com/Me9187/status/1414906288287404039", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://gist.github.com/Meeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee/a670418d51051d4e6513d86e84e8d5b8", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://twitter.com/Me9187/status/1414906288287404039", "tags": ["Exploit", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "En QVIS NVR DVR versiones anteriores a 13-12-2021, un atacante puede escalar los privilegios de un usuario qvisdvr al usuario root al abusar de una configuraci\u00f3n err\u00f3nea de Sudo"}], "lastModified": "2024-11-21T06:31:43.997", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:qvis:dvr_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C19DE868-C4EE-44B3-BAE2-A92924E22090", "versionEndExcluding": "2021-12-13"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:qvis:dvr:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "48C3B5EA-44EF-4949-BD23-21A5E39E0DDC"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:qvis:nvr_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "80E2D69A-E356-46BF-91C7-19CDF51BA8DB", "versionEndExcluding": "2021-12-13"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:qvis:nvr:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "63AADA8B-C66A-43C9-AFEF-E89AD7BF7AFA"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "cve@mitre.org"}