CVE-2021-44954 : In QVIS NVR DVR before 2021-12-13, an attacker can escalate privileges from a qv

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.

Published 2022-07-18 00:15:08

Updated 2022-07-25 19:55:12

Source MITRE

View at NVD, CVE.org

Products affected by CVE-2021-44954

Qvis » Dvr Firmware
Versions before (<) 2021-12-13
cpe:2.3:o:qvis:dvr_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Qvis » DVR » Version: N/A
Qvis » Nvr Firmware
Versions before (<) 2021-12-13
cpe:2.3:o:qvis:nvr_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Qvis » NVR » Version: N/A

EPSS FAQ

0.05%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 14 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source	First Seen
7.8	HIGH	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	1.8	5.9	NIST
Attack Vector: Local Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

https://twitter.com/Me9187/status/1414906288287404039

Me on Twitter: "And for privesc just add /bin/bash to /tmp/change_brand_name.sh and run as sudo https://t.co/CkxoxF4XjC" / Twitter
Exploit;Third Party Advisory
https://gist.github.com/Meeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee/a670418d51051d4e6513d86e84e8d5b8

CVE-2021-44954 · GitHub
Third Party Advisory

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