AUGUST 4, 2026
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Case File

CVE-2021-45467

CRITICAL · CVSS 9.8 EPSS 70.95%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2022-12-26 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.8. Its EPSS score suggests a 70.9% probability of exploitation in the next 30 days. Exploitation may require the attacker to be authenticated.

CVE
CVE-2021-45467
Severity
CRITICAL
CVSS
9.8
EPSS
70.95%

Original NVD Description

In CWP (aka Control Web Panel or CentOS Web Panel) before 0.9.8.1107, an unauthenticated attacker can use %00 bytes to cause /user/loader.php to register an arbitrary API key, as demonstrated by a /user/loader.php?api=1&scripts= .%00./.%00./api/account_new_create&acc=guadaapi URI. Any number of %00 instances can be used, e.g., .%00%00%00./.%00%00%00./api/account_new_create could also be used for the scripts parameter.

Related CVEs

Other vulnerabilities affecting the same vendor(s)