CVE-2021-47154 - Vulnerability Details - OpenCVE

Description

The Net::CIDR::Lite module before 0.22 for Perl does not properly consider extraneous zero characters at the beginning of 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: 6.3 Medium

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

No analysis available yet.

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 remediation available yet.

Tracking

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Advisories

Source	ID	Title
Debian DLA	DLA-3770-1	libnet-cidr-lite-perl security update
Ubuntu USN	USN-6712-1	Net::CIDR::Lite vulnerability
Ubuntu USN	USN-8406-1	Net::CIDR::Lite vulnerabilities

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00063.

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://github.com/stigtsp/Net-CIDR-Lite/commit/23b6ff0590dc279521863a502e890ef19a5a76fc
https://lists.debian.org/debian-lts-announce/2024/03/msg00023.html
https://metacpan.org/dist/Net-CIDR-Lite/changes
https://metacpan.org/pod/Net::CIDR::Lite
https://nvd.nist.gov/vuln/detail/CVE-2021-47154
https://www.cve.org/CVERecord?id=CVE-2021-47154

History

No history.

Subscriptions

No data.

MITRE

Status: PUBLISHED

Assigner: mitre

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

Updated: 2024-11-15T21:46:52.681Z

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

Link: CVE-2021-47154

Vulnrichment

Updated: 2024-08-04T05:24:39.883Z

NVD

Status : Deferred

Published: 2024-03-18T05:15:06.140

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

Link: CVE-2021-47154

Redhat

Severity : Moderate

Publid Date: 2024-03-18T00:00:00Z

Links: CVE-2021-47154 - Bugzilla

OpenCVE Enrichment

No data.

Weaknesses

CWE-20
Improper Input Validation

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