{"id":"CVE-2026-12620","state":"PUBLISHED","title":"Access Token Exposure in URL Parameters in GridTime™ 3000 GNSS Time Server","description":"The GridTime 3000 GNSS Time Server leaks the access token in the URL parameters of some endpoints.\n\nThis issue affects GridTime 3000: from 1.0r0.03 through 1.1r0.0.","publishedAt":"2026-06-19T15:59:07.447Z","updatedAt":"2026-06-29T05:22:09.732Z","severity":{"score":4.6,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:A","source":"Microchip"},"assigner":"Microchip","products":["Microchip GridTime 3000"],"affected":[{"vendor":"Microchip","product":"GridTime 3000","defaultStatus":"unaffected","versions":[{"version":"1.0r0.03","status":"affected","lessThanOrEqual":"1.1r0.0","versionType":"custom"}]}],"references":["https://www.microchip.com/en-us/solutions/technologies/embedded-security/how-to-report-potential-product-security-vulnerabilities/gridtime-3000-gnss-time-server-access-token-exposure"],"weaknesses":["CWE-200"],"ingestedAt":"2026-10-29T20:10:52.580Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/12xxx/CVE-2026-12620.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-12620","state":"PUBLISHED","datePublished":"2026-06-19T15:59:07.447Z","dateUpdated":"2026-06-29T05:22:09.732Z","assignerShortName":"Microchip","assignerOrgId":"dc3f6da9-85b5-4a73-84a2-2ec90b40fca5","dateReserved":"2026-06-18T14:15:03.036Z"},"containers":{"cna":{"title":"Access Token Exposure in URL Parameters in GridTime™ 3000 GNSS Time Server","descriptions":[{"lang":"en","value":"The GridTime 3000 GNSS Time Server leaks the access token in the URL parameters of some endpoints.\n\nThis issue affects GridTime 3000: from 1.0r0.03 through 1.1r0.0."}],"affected":[{"vendor":"Microchip","product":"GridTime 3000","defaultStatus":"unaffected","versions":[{"version":"1.0r0.03","status":"affected","lessThanOrEqual":"1.1r0.0","versionType":"custom"}]}],"references":[{"url":"https://www.microchip.com/en-us/solutions/technologies/embedded-security/how-to-report-potential-product-security-vulnerabilities/gridtime-3000-gnss-time-server-access-token-exposure","tags":["vendor-advisory"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"HIGH","userInteraction":"ACTIVE","vulnConfidentialityImpact":"LOW","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"ATTACKED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"MEDIUM","baseScore":4.6,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:A"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-200","lang":"en","description":"CWE-200","type":"CWE"}]}],"providerMetadata":{"shortName":"Microchip","orgId":"dc3f6da9-85b5-4a73-84a2-2ec90b40fca5","dateUpdated":"2026-06-29T05:22:09.732Z"},"impacts":[{"capecId":"CAPEC-21","descriptions":[{"lang":"en","value":"CAPEC-21"}]}],"solutions":[{"lang":"en","value":"Upgrade GridTime 3000 GNSS Time Server to the latest firmware.\n\n\n\n\n\nAs of the firmware release 1.2r0.0, Access tokens have been removed from URL parameters on affected endpoints.","supportingMedia":[{"type":"text/html","base64":false,"value":"<div>\nUpgrade GridTime 3000 GNSS Time Server to the latest firmware.</div><div><br></div><div>\nAs of the firmware release 1.2r0.0, Access tokens have been removed from URL parameters on affected endpoints.\n\n</div>"}]}],"credits":[{"lang":"en","value":"Leo Angelo Diamat (Bastion Security Group)","type":"reporter"}],"source":{"advisory":"PSIRT-145","discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.2"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-06-22T16:52:29.215328Z","id":"CVE-2026-12620","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-06-22T17:14:15.852Z"}}]}}}