CVE-2021-47939
Published: 10 May 2026
Summary
CVE-2021-47939 is a high-severity Code Injection (CWE-94) vulnerability in Evo (inferred from references). Its CVSS base score is 8.8 (High).
Operationally, it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
Threat & Defense Details
Likely Mitigating ControlsAI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Makes persistent code injection into loaded programs impossible when the executable image itself resides on hardware-protected read-only media.
Dynamically generated code can be produced and executed inside the isolated chamber, preventing host compromise from code-injection payloads.
Validates inputs used in dynamic code generation to block injected directives.
Directly prevents execution of attacker-supplied code written into data memory regions.
NVD Description
Evolution CMS 3.1.6 contains a remote code execution vulnerability that allows authenticated users with module creation permissions to execute arbitrary system commands by injecting PHP code into module parameters. Attackers can send POST requests to /manager/index.php with malicious PHP code…
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in the 'post' parameter to create modules that execute arbitrary commands when invoked.
Deeper analysisAI
Automated synthesis unavailable for this CVE.
Details
- CWE(s)