High severity7.5NVD Advisory· Published Mar 31, 2021· Updated Jun 17, 2026
CVE-2021-29662
CVE-2021-29662
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.
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Affected products
3- Perl/Data::Validate::IPdescription
- Range: <=0.29
- Range: <=0.29
Patches
Vulnerability mechanics
References
5- github.com/houseabsolute/Data-Validate-IP/commit/3bba13c819d616514a75e089badd75002fd4f14envdPatchThird Party Advisory
- blog.urth.org/2021/03/29/security-issues-in-perl-ip-address-distros/nvdExploitThird Party Advisory
- github.com/sickcodes/security/blob/master/advisories/SICK-2021-018.mdnvdExploitThird Party Advisory
- sick.codes/sick-2021-018/nvdExploitThird Party Advisory
- security.netapp.com/advisory/ntap-20210604-0002/nvdThird Party Advisory
News mentions
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