{"id":"CVE-2026-48132","state":"PUBLISHED","title":"VPN service may restart unexpectedly when processing IKE traffic over NAT-T 4500/UDP","description":"The Security Gateway does not correctly validate a length value in certain IKE packets when NAT-T is used (4500/UDP). As a result, a specially crafted or malformed packet can cause the VPN processing service to terminate unexpectedly, leading to denial of service (temporary interruption of VPN negotiations/traffic).","publishedAt":"2026-05-26T12:56:47.693Z","updatedAt":"2026-06-02T14:09:19.968Z","severity":{"score":8.1,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","source":"checkpoint"},"assigner":"checkpoint","products":["checkpoint Quantum Security Gateway"],"affected":[{"vendor":"checkpoint","product":"Quantum Security Gateway","versions":[{"version":"R82.10 with Jumbo Hotfix Take 6 or below","status":"affected"},{"version":"R82 with Jumbo Hotfix Take 91 or below","status":"affected"},{"version":"R81.20 with Jumbo Hotfix Take 127 or below","status":"affected"},{"version":"All releases from R81.10 and below","status":"affected"}]}],"references":["https://support.checkpoint.com/results/sk/sk184982"],"weaknesses":["CWE-125"],"ingestedAt":"2026-10-29T20:12:07.131Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/48xxx/CVE-2026-48132.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-48132","state":"PUBLISHED","datePublished":"2026-05-26T12:56:47.693Z","dateUpdated":"2026-06-02T14:09:19.968Z","assignerShortName":"checkpoint","assignerOrgId":"897c38be-0345-43cd-b6cf-fe179e0c4f45","dateReserved":"2026-05-20T19:29:00.635Z"},"containers":{"cna":{"title":"VPN service may restart unexpectedly when processing IKE traffic over NAT-T 4500/UDP","descriptions":[{"lang":"en","value":"The Security Gateway does not correctly validate a length value in certain IKE packets when NAT-T is used (4500/UDP). As a result, a specially crafted or malformed packet can cause the VPN processing service to terminate unexpectedly, leading to denial of service (temporary interruption of VPN negotiations/traffic)."}],"affected":[{"vendor":"checkpoint","product":"Quantum Security Gateway","versions":[{"version":"R82.10 with Jumbo Hotfix Take 6 or below","status":"affected"},{"version":"R82 with Jumbo Hotfix Take 91 or below","status":"affected"},{"version":"R81.20 with Jumbo Hotfix Take 127 or below","status":"affected"},{"version":"All releases from R81.10 and below","status":"affected"}]}],"references":[{"url":"https://support.checkpoint.com/results/sk/sk184982"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":8.1,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-125","description":"CWE-125: Out-of-bounds Read","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"checkpoint","orgId":"897c38be-0345-43cd-b6cf-fe179e0c4f45","dateUpdated":"2026-05-26T14:16:07.343Z"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-06-02T14:09:04.979541Z","id":"CVE-2026-48132","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-06-02T14:09:19.968Z"}}]}}}