Cyber Resilience

CVE-2021-30177

CriticalPublic PoC

Published: 07 April 2021

Published
07 April 2021
Modified
21 November 2024
KEV Added
—
Patch
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CVSS Score v3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0118 79.2th percentile
Risk Priority 20 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-30177 is a critical-severity SQL Injection (CWE-89) vulnerability in Phpnuke Php-Nuke. Its CVSS base score is 9.8 (Critical).

Operationally, ranked in the top 20.8% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

There is a SQL Injection vulnerability in PHP-Nuke 8.3.3 in the User Registration section, leading to remote code execution. This occurs because the U.S. state is not validated to be two letters, and the OrderBy field is not validated to…

more

be one of LASTNAME, CITY, or STATE.

CWE(s)
CWE-89

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

phpnuke
php-nuke
8.3.3

Mitigating Controls

Likely Mitigating Controls AI

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.

CA-8 Penetration Testing
addresses: CWE-89

Penetration testing uses SQL injection payloads against database interfaces, identifying and supporting fixes for SQL injection weaknesses.

SI-10 Information Input Validation
addresses: CWE-89

Validates query inputs to prevent SQL syntax or command manipulation.

References