CVE-2021-47156

Description

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.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.12%
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://blog.urth.org/2021/03/29/security-issues-in-perl-ip-address-distros/
https://metacpan.org/release/PWBENNETT/Net-IPAddress-Util-5.000/changes
https://metacpan.org/release/Net-IPAddress-Util

Frequently Asked Questions

What is the severity of CVE-2021-47156?
CVE-2021-47156 has been scored as a medium severity vulnerability.
How to fix CVE-2021-47156?
To fix CVE-2021-47156, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-47156 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-47156 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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