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CVE Watch—

CVE-2021-27852

Checkbox Survey Deserialization of Untrusted Data Vulnerability

CVSS

—

No CVSS

EPSS

31.9%

p98

KEV

YES

Apr 11, 2022

Exploit Today

79

0-100

Published: — · Last modified: —

EPSS · 30d
31.9%EPSS · 30 days31.9%
2026-08-032026-08-31
KEV catalog record

Product

Checkbox / Checkbox Survey

Vulnerability

Checkbox Survey Deserialization of Untrusted Data Vulnerability

Added to KEV

Apr 11, 2022

Remediate by

May 2, 2022

Known ransomware use

No

Summary description

Deserialization of Untrusted Data vulnerability in CheckboxWeb.dll of Checkbox Survey allows an unauthenticated remote attacker to execute arbitrary code.

Required action

Versions 6 and earlier for this product are end-of-life and must be removed from agency networks. Versions 7 and later are not considered vulnerable.

Notes

https://nvd.nist.gov/vuln/detail/CVE-2021-27852

Related CVEs

No related CVEs by CWE or product.