CVE-2021-27852 — CRITICAL (9.8)

Q: How severe is CVE-2021-27852?

CVE-2021-27852 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Q: Is there a patch for CVE-2021-27852?

Check the references section above for vendor advisories and patch information. Affected products include: Checkbox Survey.

Vulnerability Description

Deserialization of Untrusted Data vulnerability in CheckboxWeb.dll of Checkbox Survey allows an unauthenticated remote attacker to execute arbitrary code. This issue affects: Checkbox Survey versions prior to 7.

CVSS Score

9.8

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Checkbox	Survey	< 7.0

Related Weaknesses (CWE)

CWE-502

References

https://www.kb.cert.org/vuls/id/706695Third Party AdvisoryUS Government Resource
https://www.kb.cert.org/vuls/id/706695Third Party AdvisoryUS Government Resource
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-US Government Resource

FAQ

What is CVE-2021-27852?

CVE-2021-27852 is a vulnerability with a CVSS score of 9.8 (CRITICAL). Deserialization of Untrusted Data vulnerability in CheckboxWeb.dll of Checkbox Survey allows an unauthenticated remote attacker to execute arbitrary code. This issue affects: Checkbox Survey versions ...

How severe is CVE-2021-27852?

CVE-2021-27852 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2021-27852?

Check the references section above for vendor advisories and patch information. Affected products include: Checkbox Survey.