CVE-2021-27852

CVE Published	2021-05-27
Related CWE(s)	CWE-502: Deserialization of Untrusted Data
Related Vendor(s)	checkbox
Related Product(s)	survey
Exploitation Reported (CISA KEV)	2022-04-11
CVSS 3 Base Score	9.8 (CRITICAL)
CVSS 3 Attack Complexity	LOW
CVSS 3 Attack Vector	NETWORK

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.

Cyber Threat Graph Context

Explore how this CVE relates to the wider threat graph

Associated CAPEC Patterns

Object Injection (CAPEC-586)

An adversary attempts to exploit an application by injecting additional, malicious content during its processing of serialized objects. Developers leverage serialization in order to convert data or state into a static, binary format for saving to disk or transferring over a network. These objects are then deserialized when needed to recover the data/state. By injecting a malformed object into a vulnerable application, an adversary can potentially compromise the application by manipulating the deserialization process. This can result in a number of unwanted outcomes, including remote code execution.

References

CVE-2021-27852

Cyber Threat Graph Context

Associated CAPEC Patterns

Object Injection (CAPEC-586)

References

CVE.org

NIST National Vulnerability Database

CISA Known Exploited Vulnerabilities