Checkbox Survey Deserialization of Untrusted Data Vulnerability

Technical Severity

CVSS v3.1 Metrics

CRITICAL

9.8 / 10

Minimal Risk Critical

Vector Specification

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitation Likelihood

EPSS Prediction

25.55 %

Predictive Probability

Percentile Rank

96.2 th

Documented as more likely to be exploited than 96.2% of known CVEs.

Detection Date

Apr 11, 2022

Remediation Due

May 02, 2022

CISA Catalog Active

Threat Analysis

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

Remediation Directive

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.

External Intelligence

NVD

National Vulnerability Database

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