{"affected":[{"affectedData":[{"defaultStatus":"unaffected","product":"OpenSSL","vendor":"OpenSSL","versions":[{"lessThan":"3.1.1","status":"affected","version":"3.1.0","versionType":"semver"},{"lessThan":"3.0.9","status":"affected","version":"3.0.0","versionType":"semver"},{"lessThan":"1.1.1u","status":"affected","version":"1.1.1","versionType":"custom"},{"lessThan":"1.0.2zh","status":"affected","version":"1.0.2","versionType":"custom"}]}],"source":"openssl-security@openssl.org"},{"affectedData":[{"defaultStatus":"unknown","product":"BFCClient","vendor":"Siemens","versions":[{"lessThan":"V2.17","status":"affected","version":"0","versionType":"custom"}]},{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"V3.1.5","status":"affected","version":"V3.1.0","versionType":"custom"}]},{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"V3.1.5","status":"affected","version":"V3.1.0","versionType":"custom"}]},{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"V3.1.5","status":"affected","version":"V3.1.0","versionType":"custom"}]},{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"V3.1.5","status":"affected","version":"V3.1.0","versionType":"custom"}]},{"defaultStatus":"unknown","product":"SIMATIC S7-1500 TM MFP - GNU/Linux subsystem","vendor":"Siemens","versions":[{"lessThan":"V1.1","status":"affected","version":"0","versionType":"custom"}]},{"defaultStatus":"unknown","product":"SIPLUS S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"V3.1.5","status":"affected","version":"V3.1.0","versionType":"custom"}]}],"source":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*","matchCriteriaId":"23F912E9-9126-4D16-8F77-BD41CED6774D","versionEndExcluding":"1.0.2zh","versionStartIncluding":"1.0.2","vulnerable":true},{"criteria":"cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*","matchCriteriaId":"7D99C2F8-BE74-4912-8653-A2AEE387AAF9","versionEndExcluding":"1.1.1u","versionStartIncluding":"1.1.1","vulnerable":true},{"criteria":"cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*","matchCriteriaId":"4C637E94-F5EC-4D4B-836F-8C8219F1ECEC","versionEndExcluding":"3.0.9","versionStartIncluding":"3.0.0","vulnerable":true},{"criteria":"cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*","matchCriteriaId":"68821BE0-7889-48B0-888D-CEC8BB9BDEA9","versionEndExcluding":"3.1.1","versionStartIncluding":"3.1.0","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"descriptions":[{"lang":"en","value":"A security vulnerability has been identified in all supported versions\n\nof OpenSSL related to the verification of X.509 certificate chains\nthat include policy constraints.  Attackers may be able to exploit this\nvulnerability by creating a malicious certificate chain that triggers\nexponential use of computational resources, leading to a denial-of-service\n(DoS) attack on affected systems.\n\nPolicy processing is disabled by default but can be enabled by passing\nthe `-policy' argument to the command line utilities or by calling the\n`X509_VERIFY_PARAM_set1_policies()' function."}],"id":"CVE-2023-0464","lastModified":"2026-10-14T20:17:23.470","metrics":{"cvssMetricV31":[{"cvssData":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"exploitabilityScore":3.9,"impactScore":3.6,"source":"nvd@nist.gov","type":"Primary"},{"cvssData":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"exploitabilityScore":3.9,"impactScore":3.6,"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary"}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"id":"CVE-2023-0464","options":[{"exploitation":"none"},{"automatable":"yes"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","timestamp":"2025-04-23T13:26:32.875761Z","version":"2.0.3"}}]},"published":"2023-03-22T17:15:13.130","references":[{"source":"openssl-security@openssl.org","tags":["Mailing List","Patch"],"url":"https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=2017771e2db3e2b96f89bbe8766c3209f6a99545"},{"source":"openssl-security@openssl.org","tags":["Broken Link"],"url":"https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=2dcd4f1e3115f38cefa43e3efbe9b801c27e642e"},{"source":"openssl-security@openssl.org","tags":["Mailing List","Patch"],"url":"https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=879f7080d7e141f415c79eaa3a8ac4a3dad0348b"},{"source":"openssl-security@openssl.org","tags":["Mailing List","Patch"],"url":"https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=959c59c7a0164117e7f8366466a32bb1f8d77ff1"},{"source":"openssl-security@openssl.org","url":"https://lists.debian.org/debian-lts-announce/2023/06/msg00011.html"},{"source":"openssl-security@openssl.org","url":"https://security.gentoo.org/glsa/202402-08"},{"source":"openssl-security@openssl.org","url":"https://security.netapp.com/advisory/ntap-20240621-0006/"},{"source":"openssl-security@openssl.org","url":"https://www.couchbase.com/alerts/"},{"source":"openssl-security@openssl.org","url":"https://www.debian.org/security/2023/dsa-5417"},{"source":"openssl-security@openssl.org","tags":["Vendor Advisory"],"url":"https://www.openssl.org/news/secadv/20230322.txt"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Patch"],"url":"https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=2017771e2db3e2b96f89bbe8766c3209f6a99545"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Broken Link"],"url":"https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=2dcd4f1e3115f38cefa43e3efbe9b801c27e642e"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Patch"],"url":"https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=879f7080d7e141f415c79eaa3a8ac4a3dad0348b"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Patch"],"url":"https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=959c59c7a0164117e7f8366466a32bb1f8d77ff1"},{"source":"af854a3a-2127-422b-91ae-364da2661108","url":"https://lists.debian.org/debian-lts-announce/2023/06/msg00011.html"},{"source":"af854a3a-2127-422b-91ae-364da2661108","url":"https://security.gentoo.org/glsa/202402-08"},{"source":"af854a3a-2127-422b-91ae-364da2661108","url":"https://security.netapp.com/advisory/ntap-20230406-0006/"},{"source":"af854a3a-2127-422b-91ae-364da2661108","url":"https://security.netapp.com/advisory/ntap-20240621-0006/"},{"source":"af854a3a-2127-422b-91ae-364da2661108","url":"https://www.couchbase.com/alerts/"},{"source":"af854a3a-2127-422b-91ae-364da2661108","url":"https://www.debian.org/security/2023/dsa-5417"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"],"url":"https://www.openssl.org/news/secadv/20230322.txt"},{"source":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e","url":"https://cert-portal.siemens.com/productcert/html/ssa-028723.html"},{"source":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e","url":"https://cert-portal.siemens.com/productcert/html/ssa-077170.html"},{"source":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e","url":"https://cert-portal.siemens.com/productcert/html/ssa-337522.html"},{"source":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e","url":"https://cert-portal.siemens.com/productcert/html/ssa-341067.html"},{"source":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e","url":"https://cert-portal.siemens.com/productcert/html/ssa-398330.html"},{"source":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e","url":"https://cert-portal.siemens.com/productcert/html/ssa-556635.html"},{"source":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e","url":"https://cert-portal.siemens.com/productcert/html/ssa-625862.html"},{"source":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e","url":"https://cert-portal.siemens.com/productcert/html/ssa-769027.html"},{"source":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e","url":"https://cert-portal.siemens.com/productcert/html/ssa-794697.html"},{"source":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e","url":"https://cert-portal.siemens.com/productcert/html/ssa-879734.html"}],"sourceIdentifier":"openssl-security@openssl.org","vulnStatus":"Modified","weaknesses":[{"description":[{"lang":"en","value":"CWE-295"}],"source":"nvd@nist.gov","type":"Primary"},{"description":[{"lang":"en","value":"CWE-295"}],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary"}]}