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CRITICAL

CVE-2021-30177

CVSS v3

9.8

CRITICAL

EPSS Score

2.4 %

exploit probability, as of 2026-10-19

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2021-30177 yet.

Full record on NVD

Description

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 be one of LASTNAME, CITY, or STATE.

Technical details

Published
2021-04-07

Frequently asked questions

What is CVE-2021-30177?

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 be one of LASTNAME, CITY, or STATE.

Is CVE-2021-30177 actively exploited?

Active exploitation of CVE-2021-30177 has not been confirmed. Its EPSS score was 2.4% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-30177?

CVE-2021-30177 has a CVSS v3 base score of 9.8 (CRITICAL severity).

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