{"id":"CVE-2023-6397","state":"PUBLISHED","title":"CVE-2023-6397","description":"\n\n\n\n\n\n\n\n\n\n\n\nA null pointer dereference vulnerability in Zyxel ATP series firmware versions from 4.32 through 5.37 Patch 1 and USG FLEX series firmware versions from 4.50 through 5.37 Patch 1 could allow a LAN-based attacker to cause denial-of-service (DoS) conditions by downloading a crafted RAR compressed file onto a LAN-side host if the firewall has the “Anti-Malware” feature enabled.\n\n\n\n","publishedAt":"2024-02-20T01:19:27.475Z","updatedAt":"2024-08-02T08:28:21.794Z","severity":{"score":6.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"Zyxel"},"assigner":"Zyxel","products":["Zyxel ATP series firmware","Zyxel USG FLEX series firmware"],"affected":[{"vendor":"Zyxel","product":"ATP series firmware","defaultStatus":"unaffected","versions":[{"version":"version 4.32  through 5.37 Patch 1","status":"affected"}]},{"vendor":"Zyxel","product":"USG FLEX series firmware","defaultStatus":"unaffected","versions":[{"version":"version 4.50 through 5.37 Patch 1","status":"affected"}]}],"references":["https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-and-aps-02-20-2024"],"weaknesses":["CWE-476"],"ingestedAt":"2026-10-29T20:06:42.242Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/6xxx/CVE-2023-6397.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-6397","state":"PUBLISHED","datePublished":"2024-02-20T01:19:27.475Z","dateUpdated":"2024-08-02T08:28:21.794Z","assignerShortName":"Zyxel","assignerOrgId":"96e50032-ad0d-4058-a115-4d2c13821f9f","dateReserved":"2023-11-30T07:58:12.915Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"\n\n\n\n\n\n\n\n\n\n\n\nA null pointer dereference vulnerability in Zyxel ATP series firmware versions from 4.32 through 5.37 Patch 1 and USG FLEX series firmware versions from 4.50 through 5.37 Patch 1 could allow a LAN-based attacker to cause denial-of-service (DoS) conditions by downloading a crafted RAR compressed file onto a LAN-side host if the firewall has the “Anti-Malware” feature enabled.\n\n\n\n"}],"affected":[{"vendor":"Zyxel","product":"ATP series firmware","defaultStatus":"unaffected","versions":[{"version":"version 4.32  through 5.37 Patch 1","status":"affected"}]},{"vendor":"Zyxel","product":"USG FLEX series firmware","defaultStatus":"unaffected","versions":[{"version":"version 4.50 through 5.37 Patch 1","status":"affected"}]}],"references":[{"url":"https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-and-aps-02-20-2024","tags":["vendor-advisory"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"ADJACENT_NETWORK","availabilityImpact":"HIGH","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-476","description":"CWE-476 NULL Pointer Dereference","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"Zyxel","orgId":"96e50032-ad0d-4058-a115-4d2c13821f9f","dateUpdated":"2024-02-20T01:48:00.951Z"},"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 0.1.0-dev"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2023-6397","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-02-22T16:53:30.036548Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-06-04T17:17:11.624Z"}},{"title":"CVE Program Container","references":[{"url":"https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-and-aps-02-20-2024","tags":["vendor-advisory","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T08:28:21.794Z"}}]}}}