CVE-2021-47154
libnet-cidr-lite-perl - security update
6.3
MEDIUM
CVSS 3.1
EPSS 0.06%
Description
The Net::CIDR::Lite module before 0.22 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.
How to fix CVE-2021-47154
To remediate CVE-2021-47154, upgrade the affected package to a fixed version below.
- —upgrade to 0.22-1 or later
- —upgrade to 0.21-2+debu10u1 or later
Is CVE-2021-47154 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 0.22-1
- from 0, < 0.21-2+debu10u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L |