CVE-2021-27852

Known Exploited

Description

Deserialization of Untrusted Data vulnerability in CheckboxWeb.dll of Checkbox Survey allows an unauthenticated remote attacker to execute arbitrary code. This issue affects: Checkbox Survey versions prior to 7.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 21.15% Top 5%
KEV Since 
Third-Party Advisory cert.org
Affected: Checkbox Survey
Published at:
Updated at:

References

Link Tags
https://www.kb.cert.org/vuls/id/706695 third party advisory us government resource

Frequently Asked Questions

What is the severity of CVE-2021-27852?
CVE-2021-27852 has been scored as a critical severity vulnerability.
How to fix CVE-2021-27852?
To fix CVE-2021-27852, 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-2021-27852 being actively exploited in the wild?
It is confirmed that CVE-2021-27852 is actively exploited. Be extra cautious if you are using vulnerable components. According to its EPSS score, there is a ~21% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-27852?
CVE-2021-27852 affects Checkbox Survey.
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