CVE-2021-27963

Public Exploit

Description

SonLogger before 6.4.1 is affected by user creation with any user permissions profile (e.g., SuperAdmin). An anonymous user can send a POST request to /User/saveUser without any authentication or session header.

Category

8.2
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 4.50% Top 15%
Vendor Advisory sonlogger.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/erberkan/SonLogger-vulns third party advisory exploit
https://www.sonlogger.com/releasenotes release notes vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-27963?
CVE-2021-27963 has been scored as a high severity vulnerability.
How to fix CVE-2021-27963?
To fix CVE-2021-27963, 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-2021-27963 being actively exploited in the wild?
It is possible that CVE-2021-27963 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~5% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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