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.
| Vendor | Checkbox |
|---|---|
| Product | Checkbox Survey |
| Date added to KEV | 2022-04-11 |
| Due date (BOD 22-01) | 2022-05-02 |
| Known ransomware campaign use | Unknown |
| CWE | CWE-502 |
| 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. |
What to do
- Identify every instance of Checkbox Checkbox Survey in your environment (asset inventory, EDR, vulnerability scanner).
- Apply CISA's 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.
- Federal civilian agencies must act by 2022-05-02 under BOD 22-01; other organizations can use the same date as a target.
- Check the vendor advisory and NVD entry linked below for affected versions, then record the fix in your change log.
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Sources
- NVD entry for CVE-2021-27852 (severity scores, if any, live there)
- CISA KEV catalog entry
- https://nvd.nist.gov/vuln/detail/CVE-2021-27852