Vulnerability in Net\ \
CVE-2021-29424
The Net::Netmask module before 2.0000 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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.018 (77.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 77.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000
Affected products
- Net\ \ — versions netmask_project
- Net\:\:netmask Project
- Fedoraproject Fedora — versions 32, 33, 34
Weakness classification (CWE)
References
- blog.urth.org/2021/03/29/security-issues-in-perl-ip-address-distros/ (Exploit, Third Party Advisory)
- metacpan.org/changes/distribution/Net-Netmask (Third Party Advisory, Release Notes)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- security.netapp.com/advisory/ntap-20210604-0007/ (Third Party Advisory)
Frequently asked questions
- What is CVE-2021-29424?
- CVE-2021-29424 is a high-severity vulnerability in Net\ \, classified under Incorrect Type Conversion or Cast. CVSS score: 7.5/10. Published 2021-04-06.
- How severe is CVE-2021-29424?
- High severity. CVSS v3 base score is 7.5 out of 10.