{"id":"CVE-2021-47154","state":"PUBLISHED","title":"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 at","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.","publishedAt":"2024-03-18T00:00:00.000Z","updatedAt":"2024-11-15T21:46:52.681Z","severity":{"score":6.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L","source":"CISA-ADP"},"assigner":"mitre","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["https://blog.urth.org/2021/03/29/security-issues-in-perl-ip-address-distros/","https://metacpan.org/pod/Net::CIDR::Lite","https://github.com/stigtsp/Net-CIDR-Lite/commit/23b6ff0590dc279521863a502e890ef19a5a76fc","https://metacpan.org/dist/Net-CIDR-Lite/changes","https://lists.debian.org/debian-lts-announce/2024/03/msg00023.html"],"weaknesses":[],"ingestedAt":"2026-10-29T19:49:19.404Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/47xxx/CVE-2021-47154.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-47154","state":"PUBLISHED","datePublished":"2024-03-18T00:00:00.000Z","dateUpdated":"2024-11-15T21:46:52.681Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2024-03-18T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"url":"https://blog.urth.org/2021/03/29/security-issues-in-perl-ip-address-distros/"},{"url":"https://metacpan.org/pod/Net::CIDR::Lite"},{"url":"https://github.com/stigtsp/Net-CIDR-Lite/commit/23b6ff0590dc279521863a502e890ef19a5a76fc"},{"url":"https://metacpan.org/dist/Net-CIDR-Lite/changes"},{"url":"https://lists.debian.org/debian-lts-announce/2024/03/msg00023.html","name":"[debian-lts-announce] 20240323 [SECURITY] [DLA 3770-1] libnet-cidr-lite-perl security update","tags":["mailing-list"]}],"problemTypes":[{"descriptions":[{"type":"text","lang":"en","description":"n/a"}]}],"providerMetadata":{"shortName":"mitre","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateUpdated":"2024-03-23T17:06:00.313Z"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":6.3,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L","integrityImpact":"LOW","userInteraction":"REQUIRED","attackComplexity":"LOW","availabilityImpact":"LOW","privilegesRequired":"NONE","confidentialityImpact":"LOW"}},{"other":{"type":"ssvc","content":{"timestamp":"2024-07-17T18:29:35.804190Z","id":"CVE-2021-47154","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"type":"CWE","lang":"en","description":"CWE-noinfo Not enough information"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-11-15T21:46:52.681Z"}},{"title":"CVE Program Container","references":[{"url":"https://blog.urth.org/2021/03/29/security-issues-in-perl-ip-address-distros/","tags":["x_transferred"]},{"url":"https://metacpan.org/pod/Net::CIDR::Lite","tags":["x_transferred"]},{"url":"https://github.com/stigtsp/Net-CIDR-Lite/commit/23b6ff0590dc279521863a502e890ef19a5a76fc","tags":["x_transferred"]},{"url":"https://metacpan.org/dist/Net-CIDR-Lite/changes","tags":["x_transferred"]},{"url":"https://lists.debian.org/debian-lts-announce/2024/03/msg00023.html","name":"[debian-lts-announce] 20240323 [SECURITY] [DLA 3770-1] libnet-cidr-lite-perl security update","tags":["mailing-list","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-04T05:24:39.883Z"}}]}}}