{"id":"CVE-2023-27516","state":"PUBLISHED","title":"An authentication bypass vulnerability exists in the CiRpcAccepted() functionality of SoftEther VPN 4.41-9782-beta and 5.01.9674. A specially crafted network packet can lead to una","description":"An authentication bypass vulnerability exists in the CiRpcAccepted() functionality of SoftEther VPN 4.41-9782-beta and 5.01.9674. A specially crafted network packet can lead to unauthorized access. An attacker can send a network request to trigger this vulnerability.","publishedAt":"2023-10-12T15:27:52.223Z","updatedAt":"2024-08-02T12:16:36.884Z","severity":{"score":7.3,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L","source":"talos"},"assigner":"talos","products":["SoftEther VPN SoftEther VPN"],"affected":[{"vendor":"SoftEther VPN","product":"SoftEther VPN","versions":[{"version":"4.41-9782-beta","status":"affected"},{"version":"5.01.9674","status":"affected"}]}],"references":["https://talosintelligence.com/vulnerability_reports/TALOS-2023-1754","https://www.softether.org/9-about/News/904-SEVPN202301","https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1754"],"weaknesses":["CWE-453"],"ingestedAt":"2026-10-29T20:05:52.290Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/27xxx/CVE-2023-27516.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-27516","state":"PUBLISHED","datePublished":"2023-10-12T15:27:52.223Z","dateUpdated":"2024-08-02T12:16:36.884Z","assignerShortName":"talos","assignerOrgId":"b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b","dateReserved":"2023-06-02T14:34:05.095Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"An authentication bypass vulnerability exists in the CiRpcAccepted() functionality of SoftEther VPN 4.41-9782-beta and 5.01.9674. A specially crafted network packet can lead to unauthorized access. An attacker can send a network request to trigger this vulnerability."}],"affected":[{"vendor":"SoftEther VPN","product":"SoftEther VPN","versions":[{"version":"4.41-9782-beta","status":"affected"},{"version":"5.01.9674","status":"affected"}]}],"references":[{"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2023-1754","name":"https://talosintelligence.com/vulnerability_reports/TALOS-2023-1754"},{"url":"https://www.softether.org/9-about/News/904-SEVPN202301","name":"https://www.softether.org/9-about/News/904-SEVPN202301"}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"LOW","availabilityImpact":"LOW","baseScore":7.3,"baseSeverity":"HIGH"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-453","lang":"en","description":"CWE-453: Insecure Default Variable Initialization","type":"CWE"}]}],"providerMetadata":{"shortName":"talos","orgId":"b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b","dateUpdated":"2023-10-12T17:00:07.942Z"},"credits":[{"lang":"en","value":"Discovered by Lilith >_> of Cisco Talos."}]},"adp":[{"title":"CVE Program Container","references":[{"url":"https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1754"},{"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2023-1754","name":"https://talosintelligence.com/vulnerability_reports/TALOS-2023-1754","tags":["x_transferred"]},{"url":"https://www.softether.org/9-about/News/904-SEVPN202301","name":"https://www.softether.org/9-about/News/904-SEVPN202301","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T12:16:36.884Z"}},{"title":"CISA ADP Vulnrichment","affected":[{"vendor":"softether","product":"vpn","defaultStatus":"unknown","versions":[{"version":"4.41-9782","status":"affected"}],"cpes":["cpe:2.3:a:softether:vpn:4.41-9782:beta:*:*:*:*:*:*"]},{"vendor":"softether","product":"vpn","defaultStatus":"unknown","versions":[{"version":"5.01.9674","status":"affected"}],"cpes":["cpe:2.3:a:softether:vpn:5.01.9674:*:*:*:*:*:*:*"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-08-01T15:14:30.646891Z","id":"CVE-2023-27516","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-08-01T15:15:22.070Z"}}]}}}