CVE-2021-47155

CriticalCVSS 9.1/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 9.1/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Weakness enumeration

CWE-284

Affected software

No affected versions have been published.

Timeline

Published
Mar 18, 2024
Last modified
Jun 17, 2026
NVD status
Deferred

Related CVEs from 2021

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CVE-2021-47155: Critical severity, CVSS 9.1 | Vulnix