CVE-2021-27852

Known Exploited Vulnerability Entry External Catalog

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Entry Details

CVE-2021-27852

Confirmed

Yes

2022-04-11 00:00 UTC

Timestamps

2022-04-11

2022-04-11

Scope

KEV entry: Checkbox Survey Deserialization of Untrusted Data Vulnerability | Affected: Checkbox / Checkbox Survey | 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. | Due date: 2022-05-02 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://nvd.nist.gov/vuln/detail/CVE-2021-27852

References
  • {'id': 'CVE-2021-27852', 'url': 'https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2021-27852'}

d87d1705-498d-4ca3-bc6d-bc6a1b2c5bef

405284c2-e461-4670-8979-7fd2c9755a60

2026-02-02 13:25 UTC

2026-02-06 07:53 UTC

Evidence (1)
Type Source Signal Confidence Details GCVE Metadata
vendor_report cisa-kev successful_exploitation 0.80
View details 
{
  "cwes": [
    "CWE-502"
  ],
  "date_added": "2022-04-11",
  "due_date": "2022-05-02",
  "feed": "CISA Known Exploited Vulnerabilities Catalog",
  "knownRansomwareCampaignUse": "Unknown",
  "product": "Checkbox Survey",
  "vendorProject": "Checkbox",
  "vulnerabilityName": "Checkbox Survey Deserialization of Untrusted Data Vulnerability"
}
 -
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