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CVE Record
[ CRITICAL ]CVE-2021-27852

Checkbox Survey Deserialization of Untrusted Data Vulnerability

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

cat cve-2021-27852.json
Vendor
Checkbox
Product
Checkbox Survey
CVSS
9.8
EPSS (exploit probability)
31.9%
Status
kev
CISA patch-by (BOD 22-01)
Published

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

Added to CISA’s Known Exploited Vulnerabilities catalog on 2022-04-11. Required action per CISA: 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. Due date: 2022-05-02.

This is an auto-synced KEV catalog record pending a full 0dayNews write-up — see CISA’s KEV catalog and the NVD record linked above for primary sources.