Vulnerability Details : CVE-2021-47155
The Net::IPV4Addr module 0.10 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.
Products affected by CVE-2021-47155
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Exploit prediction scoring system (EPSS) score for CVE-2021-47155
0.15%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 32 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-47155
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
9.1
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
3.9
|
5.2
|
134c704f-9b21-4f2e-91b3-4a467353bcc0 | 2024-08-29 |
CWE ids for CVE-2021-47155
-
The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.Assigned by: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)
References for CVE-2021-47155
-
https://blog.urth.org/2021/03/29/security-issues-in-perl-ip-address-distros/#net-ipv4addrhttpsmetacpanorgreleasenet-ipv4addr
Security Issues in Perl IP Address distros - House Absolute(ly Pointless)
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https://metacpan.org/release/Net-IPv4Addr
Net-IPv4Addr-0.10 - Perl extension for manipulating IPv4 addresses. - metacpan.org
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