CVE-2022-23227

Known Exploited Public Exploit

Description

NUUO NVRmini2 through 3.11 allows an unauthenticated attacker to upload an encrypted TAR archive, which can be abused to add arbitrary users because of the lack of handle_import_user.php authentication. When combined with another flaw (CVE-2011-5325), it is possible to overwrite arbitrary files under the web root and achieve code execution as root.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 56.00% Top 5%
KEV Since 
Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory ycombinator.com Third-Party Advisory portswigger.net
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/pedrib/PoC/blob/master/advisories/NUUO/nuuo_nvrmini_round2.mkd third party advisory exploit
https://github.com/rapid7/metasploit-framework/pull/16044 issue tracking exploit third party advisory
https://portswigger.net/daily-swig/researcher-discloses-alleged-zero-day-vulnerabilities-in-nuuo-nvrmini2-recording-device third party advisory exploit
https://news.ycombinator.com/item?id=29936569 third party advisory

Frequently Asked Questions

What is the severity of CVE-2022-23227?
CVE-2022-23227 has been scored as a critical severity vulnerability.
How to fix CVE-2022-23227?
To fix CVE-2022-23227, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-23227 being actively exploited in the wild?
It is confirmed that CVE-2022-23227 is actively exploited. Be extra cautious if you are using vulnerable components. According to its EPSS score, there is a ~56% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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