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NVD Vulnerability Details :

CVE-2021-47155

Deferred

Source-cve@mitre.org

Published At-18 Mar, 2024 | 05:15

Updated At-15 Apr, 2026 | 00:35

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.

Date Added	Due Date	Vulnerability Name	Required Action
	N/A

Metrics

Type	Version	Base score	Base severity	Vector
Secondary	3.1	9.1	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Type: Secondary

Version: 3.1

Base score: 9.1

Base severity: CRITICAL

Vector:

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

Weaknesses

CWE ID	Type	Source
CWE-284	Secondary	134c704f-9b21-4f2e-91b3-4a467353bcc0

CWE ID: CWE-284

Type: Secondary

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

References

Hyperlink	Source	Resource
https://blog.urth.org/2021/03/29/security-issues-in-perl-ip-address-distros/#net-ipv4addrhttpsmetacpanorgreleasenet-ipv4addr	cve@mitre.org	N/A
https://metacpan.org/release/Net-IPv4Addr	cve@mitre.org	N/A
https://blog.urth.org/2021/03/29/security-issues-in-perl-ip-address-distros/#net-ipv4addrhttpsmetacpanorgreleasenet-ipv4addr	af854a3a-2127-422b-91ae-364da2661108	N/A
https://metacpan.org/release/Net-IPv4Addr	af854a3a-2127-422b-91ae-364da2661108	N/A