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HIGH · 7.5

CVE-2021-29424

The Net::Netmask module before 2.0000 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 acc...

Vulnerability Description

The Net::Netmask module before 2.0000 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.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE

Affected Products

VendorProductVersions
Net\\< 2.0000, netmask_project
FedoraprojectFedora32

Related Weaknesses (CWE)

CWE-704

References

FAQ

What is CVE-2021-29424?

CVE-2021-29424 is a vulnerability with a CVSS score of 7.5 (HIGH). The Net::Netmask module before 2.0000 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 acc...

How severe is CVE-2021-29424?

CVE-2021-29424 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-29424?

Check the references section above for vendor advisories and patch information. Affected products include: Net\ \, Fedoraproject Fedora.