CVE-2021-47156

CVSS 6.5 MEDIUMEPSS 0.5%CWE-1287

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 6.5EPSS 0.5%KEV nãoPoC —Patch —

Lifecycle

Mar 18, 2024Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Affected products

n/a · n/a

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References

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