AUGUST 4, 2026
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Case File

CVE-2021-47155

CRITICAL · CVSS 9.1 EPSS 0.51%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2024-03-18 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.1. See the original NVD description below for full technical details.

CVE
CVE-2021-47155
Severity
CRITICAL
CVSS
9.1
EPSS
0.51%

Original NVD Description

The Net::IPV4Addr module 0.10 for Perl does not properly consider extraneous zero characters in an IP address string, which (in some situations) allows attackers to bypass access control that is based on IP addresses.