CVE-2021-47156 - Vulnerability Details - OpenCVE

Description

The Net::IPAddress::Util module before 5.000 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.

Published: 2024-03-18

Score: 6.5 Medium

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

No data.

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

No advisories yet.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00125.

Exploitation none

Automatable no

Technical Impact partial

References

Link	Providers
https://blog.urth.org/2021/03/29/security-issues-in-perl-ip-address-distros/
https://metacpan.org/release/Net-IPAddress-Util
https://metacpan.org/release/PWBENNETT/Net-IPAddress-Util-5.000/changes

History

Thu, 27 Mar 2025 20:15:00 +0000

Type	Values Removed	Values Added
Weaknesses		CWE-1287
Metrics		cvssV3_1 `{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N'}`

Subscriptions

No data.

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2024-03-18T00:00:00.000Z

Updated: 2025-03-27T19:33:18.337Z

Reserved: 2024-03-18T00:00:00.000Z

Link: CVE-2021-47156

Vulnrichment

Updated: 2024-08-04T05:24:39.900Z

NVD

Status : Deferred

Published: 2024-03-18T05:15:06.260

Modified: 2026-04-15T00:35:42.020

Link: CVE-2021-47156

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-1287

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