{"id":"CVE-2020-13529","state":"PUBLISHED","title":"An exploitable denial-of-service vulnerability exists in Systemd 245. A specially crafted DHCP FORCERENEW packet can cause a server running the DHCP client to be vulnerable to a DH","description":"An exploitable denial-of-service vulnerability exists in Systemd 245. A specially crafted DHCP FORCERENEW packet can cause a server running the DHCP client to be vulnerable to a DHCP ACK spoofing attack. An attacker can forge a pair of FORCERENEW and DCHP ACK packets to reconfigure the server.","publishedAt":"2021-05-10T15:08:34.000Z","updatedAt":"2026-10-14T09:07:03.990Z","severity":{"score":6.1,"label":"Medium","version":"3.0","vector":"CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H","source":"talos"},"assigner":"talos","products":["n/a Systemd"],"affected":[{"vendor":"n/a","product":"Systemd","versions":[{"version":"Canonical Ubuntu 20.04 LTS, Systemd 245","status":"affected"}]}],"references":["https://talosintelligence.com/vulnerability_reports/TALOS-2020-1142","https://security.gentoo.org/glsa/202107-48","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/42TMJVNYRY65B4QCJICBYOEIVZV3KUYI/","http://www.openwall.com/lists/oss-security/2021/08/04/2","http://www.openwall.com/lists/oss-security/2021/08/17/3","http://www.openwall.com/lists/oss-security/2021/09/07/3","https://security.netapp.com/advisory/ntap-20210625-0005/","https://cert-portal.siemens.com/productcert/html/ssa-398330.html"],"weaknesses":["CWE-290"],"ingestedAt":"2026-10-29T19:46:30.825Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2020/13xxx/CVE-2020-13529.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2020-13529","state":"PUBLISHED","datePublished":"2021-05-10T15:08:34.000Z","dateUpdated":"2026-10-14T09:07:03.990Z","assignerShortName":"talos","assignerOrgId":"b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b","dateReserved":"2020-05-26T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"An exploitable denial-of-service vulnerability exists in Systemd 245. A specially crafted DHCP FORCERENEW packet can cause a server running the DHCP client to be vulnerable to a DHCP ACK spoofing attack. An attacker can forge a pair of FORCERENEW and DCHP ACK packets to reconfigure the server."}],"affected":[{"vendor":"n/a","product":"Systemd","versions":[{"version":"Canonical Ubuntu 20.04 LTS, Systemd 245","status":"affected"}]}],"references":[{"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2020-1142","tags":["x_refsource_MISC"]},{"url":"https://security.gentoo.org/glsa/202107-48","name":"GLSA-202107-48","tags":["vendor-advisory","x_refsource_GENTOO"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/42TMJVNYRY65B4QCJICBYOEIVZV3KUYI/","name":"FEDORA-2021-166e461c8d","tags":["vendor-advisory","x_refsource_FEDORA"]},{"url":"http://www.openwall.com/lists/oss-security/2021/08/04/2","name":"[oss-security] 20210804 Re: Pop!_OS Membership to linux-distros list","tags":["mailing-list","x_refsource_MLIST"]},{"url":"http://www.openwall.com/lists/oss-security/2021/08/17/3","name":"[oss-security] 20210817 Re: Pop!_OS Membership to linux-distros list","tags":["mailing-list","x_refsource_MLIST"]},{"url":"http://www.openwall.com/lists/oss-security/2021/09/07/3","name":"[oss-security] 20210907 Re: Pop!_OS Membership to linux-distros list","tags":["mailing-list","x_refsource_MLIST"]},{"url":"https://security.netapp.com/advisory/ntap-20210625-0005/","tags":["x_refsource_CONFIRM"]}],"metrics":[{"cvssV3_0":{"attackComplexity":"HIGH","attackVector":"ADJACENT_NETWORK","availabilityImpact":"HIGH","baseScore":6.1,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H","version":"3.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-290","description":"CWE-290: Authentication Bypass by Spoofing","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"talos","dateUpdated":"2022-04-19T15:13:43.000Z","orgId":"b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"talos-cna@cisco.com","ID":"CVE-2020-13529","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"Systemd","version":{"version_data":[{"version_value":"Canonical Ubuntu 20.04 LTS, Systemd 245"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"An exploitable denial-of-service vulnerability exists in Systemd 245. A specially crafted DHCP FORCERENEW packet can cause a server running the DHCP client to be vulnerable to a DHCP ACK spoofing attack. An attacker can forge a pair of FORCERENEW and DCHP ACK packets to reconfigure the server."}]},"impact":{"cvss":{"baseScore":6.1,"baseSeverity":"Medium","vectorString":"CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H","version":"3.0"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-290: Authentication Bypass by Spoofing"}]}]},"references":{"reference_data":[{"name":"https://talosintelligence.com/vulnerability_reports/TALOS-2020-1142","refsource":"MISC","url":"https://talosintelligence.com/vulnerability_reports/TALOS-2020-1142"},{"name":"GLSA-202107-48","refsource":"GENTOO","url":"https://security.gentoo.org/glsa/202107-48"},{"name":"FEDORA-2021-166e461c8d","refsource":"FEDORA","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/42TMJVNYRY65B4QCJICBYOEIVZV3KUYI/"},{"name":"[oss-security] 20210804 Re: Pop!_OS Membership to linux-distros list","refsource":"MLIST","url":"http://www.openwall.com/lists/oss-security/2021/08/04/2"},{"name":"[oss-security] 20210817 Re: Pop!_OS Membership to linux-distros list","refsource":"MLIST","url":"http://www.openwall.com/lists/oss-security/2021/08/17/3"},{"name":"[oss-security] 20210907 Re: Pop!_OS Membership to linux-distros list","refsource":"MLIST","url":"http://www.openwall.com/lists/oss-security/2021/09/07/3"},{"name":"https://security.netapp.com/advisory/ntap-20210625-0005/","refsource":"CONFIRM","url":"https://security.netapp.com/advisory/ntap-20210625-0005/"}]}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2020-1142","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://security.gentoo.org/glsa/202107-48","name":"GLSA-202107-48","tags":["vendor-advisory","x_refsource_GENTOO","x_transferred"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/42TMJVNYRY65B4QCJICBYOEIVZV3KUYI/","name":"FEDORA-2021-166e461c8d","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred"]},{"url":"http://www.openwall.com/lists/oss-security/2021/08/04/2","name":"[oss-security] 20210804 Re: Pop!_OS Membership to linux-distros list","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"http://www.openwall.com/lists/oss-security/2021/08/17/3","name":"[oss-security] 20210817 Re: Pop!_OS Membership to linux-distros list","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"http://www.openwall.com/lists/oss-security/2021/09/07/3","name":"[oss-security] 20210907 Re: Pop!_OS Membership to linux-distros list","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"https://security.netapp.com/advisory/ntap-20210625-0005/","tags":["x_refsource_CONFIRM","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-04T12:18:18.443Z"}},{"affected":[{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","defaultStatus":"unknown","versions":[{"version":"V3.1.0","status":"affected","lessThan":"V3.1.5","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","defaultStatus":"unknown","versions":[{"version":"V3.1.0","status":"affected","lessThan":"V3.1.5","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","defaultStatus":"unknown","versions":[{"version":"V3.1.0","status":"affected","lessThan":"V3.1.5","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","defaultStatus":"unknown","versions":[{"version":"V3.1.0","status":"affected","lessThan":"V3.1.5","versionType":"custom"}]},{"vendor":"Siemens","product":"SIPLUS S7-1500 CPU 1518-4 PN/DP MFP","defaultStatus":"unknown","versions":[{"version":"V3.1.0","status":"affected","lessThan":"V3.1.5","versionType":"custom"}]}],"references":[{"url":"https://cert-portal.siemens.com/productcert/html/ssa-398330.html"}],"providerMetadata":{"shortName":"siemens-SADP","orgId":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e","dateUpdated":"2026-10-14T09:07:03.990Z"},"x_adpType":"supplier"}]}}}