vulnerability
Ubuntu: (Multiple Advisories) (CVE-2021-47154): Net::CIDR::Lite vulnerability
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:N/AC:M/Au:N/C:P/I:P/A:P) | Mar 18, 2024 | Mar 26, 2024 | Jun 9, 2026 |
Severity
7
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Published
Mar 18, 2024
Added
Mar 26, 2024
Modified
Jun 9, 2026
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.
Solutions
ubuntu-pro-upgrade-libnet-cidr-lite-perlubuntu-upgrade-libnet-cidr-lite-perl
Rapid7 Labs
2026 Global Threat Landscape Report
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