Coverage › CVE-2021-27852
CVE-2021-27852 Unmapped
Checkbox Survey Deserialization of Untrusted Data Vulnerability
- Vendor / product
- Checkbox — Checkbox Survey
- Description (CISA)
- Deserialization of Untrusted Data vulnerability in CheckboxWeb.dll of Checkbox Survey allows an unauthenticated remote attacker to execute arbitrary code.
- Added to KEV
- 2022-04-11
- Due date
- 2022-05-02
- 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.
- Known ransomware use
- Unknown
- CWE
- CWE-502
- CISA notes
- https://nvd.nist.gov/vuln/detail/CVE-2021-27852
- Elsewhere
- cve.org · NVD · CISA KEV · JSON
ATT&CK techniques
No public source states how this vulnerability is exploited in ATT&CK terms.
The only authoritative CVE → ATT&CK mapping in the open — CTID's Mappings Explorer, pinned to a KEV snapshot of 2025-07-28 and ATT&CK 16.1 — does not include CVE-2021-27852. CISA's catalogue carries no technique field. kevmap does not infer techniques from the CWE (CWE-502) — here is why — and does not guess.
This page will change state automatically if a mapping is published. What is shown above is everything CISA publishes about the entry.