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HIGH

CVE-2021-29662

CVSS v3

7.5

HIGH

EPSS Score

2.2 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

The Data::Validate::IP module through 0.29 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.

Technical details

Published
2021-03-31

Frequently asked questions

What is CVE-2021-29662?

The Data::Validate::IP module through 0.29 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.

Is CVE-2021-29662 actively exploited?

Active exploitation of CVE-2021-29662 has not been confirmed. Its EPSS score was 2.2% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-29662?

CVE-2021-29662 has a CVSS v3 base score of 7.5 (HIGH severity).

Is CVE-2021-29662 affecting your environment?

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