gsd-2020-12812
Vulnerability from gsd
Modified
2023-12-13 01:21
Details
An improper authentication vulnerability in SSL VPN in FortiOS 6.4.0, 6.2.0 to 6.2.3, 6.0.9 and below may result in a user being able to log in successfully without being prompted for the second factor of authentication (FortiToken) if they changed the case of their username.
Aliases
Aliases
{ "GSD": { "alias": "CVE-2020-12812", "description": "An improper authentication vulnerability in SSL VPN in FortiOS 6.4.0, 6.2.0 to 6.2.3, 6.0.9 and below may result in a user being able to log in successfully without being prompted for the second factor of authentication (FortiToken) if they changed the case of their username.", "id": "GSD-2020-12812" }, "gsd": { "metadata": { "exploitCode": "unknown", "remediation": "unknown", "reportConfidence": "confirmed", "type": "vulnerability" }, "osvSchema": { "aliases": [ "CVE-2020-12812" ], "details": "An improper authentication vulnerability in SSL VPN in FortiOS 6.4.0, 6.2.0 to 6.2.3, 6.0.9 and below may result in a user being able to log in successfully without being prompted for the second factor of authentication (FortiToken) if they changed the case of their username.", "id": "GSD-2020-12812", "modified": "2023-12-13T01:21:49.700832Z", "schema_version": "1.4.0" } }, "namespaces": { "cisa.gov": { "cveID": "CVE-2020-12812", "dateAdded": "2021-11-03", "dueDate": "2022-05-03", "product": "FortiOS", "requiredAction": "Apply updates per vendor instructions.", "shortDescription": "An improper authentication vulnerability in SSL VPN in FortiOS 6.4.0, 6.2.0 to 6.2.3, 6.0.9 and below may result in a user being able to log in successfully without being prompted for the second factor of authentication (FortiToken) if they changed the case of their username.", "vendorProject": "Fortinet", "vulnerabilityName": "Fortinet FortiOS SSL VPN 2FA Authentication Vulnerability" }, "cve.org": { "CVE_data_meta": { "ASSIGNER": "psirt@fortinet.com", "ID": "CVE-2020-12812", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "Fortinet FortiOS", "version": { "version_data": [ { "version_value": "FortiOS 6.4.0, 6.2.0 to 6.2.3, 6.0.9 and below" } ] } } ] }, "vendor_name": "n/a" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "An improper authentication vulnerability in SSL VPN in FortiOS 6.4.0, 6.2.0 to 6.2.3, 6.0.9 and below may result in a user being able to log in successfully without being prompted for the second factor of authentication (FortiToken) if they changed the case of their username." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "Improper Access Control" } ] } ] }, "references": { "reference_data": [ { "name": "https://fortiguard.com/psirt/FG-IR-19-283", "refsource": "MISC", "url": "https://fortiguard.com/psirt/FG-IR-19-283" } ] } }, "nvd.nist.gov": { "cve": { "cisaActionDue": "2022-05-03", "cisaExploitAdd": "2021-11-03", "cisaRequiredAction": "Apply updates per vendor instructions.", "cisaVulnerabilityName": "Fortinet FortiOS SSL VPN Improper Authentication Vulnerability", "configurations": [ { "nodes": [ { "cpeMatch": [ { "criteria": "cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*", "matchCriteriaId": "756167D1-ED53-4EC7-88B3-D82E329A2FA4", "versionEndExcluding": "6.0.10", "vulnerable": true }, { "criteria": "cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*", "matchCriteriaId": "BD0966DA-A4B1-4C78-862C-3CB9557DCC4C", "versionEndExcluding": "6.2.4", "versionStartIncluding": "6.2.0", "vulnerable": true }, { "criteria": "cpe:2.3:o:fortinet:fortios:6.4.0:*:*:*:*:*:*:*", "matchCriteriaId": "1C6E45EB-4C8C-4777-9200-08B14595A3A7", "vulnerable": true } ], "negate": false, "operator": "OR" } ] } ], "descriptions": [ { "lang": "en", "value": "An improper authentication vulnerability in SSL VPN in FortiOS 6.4.0, 6.2.0 to 6.2.3, 6.0.9 and below may result in a user being able to log in successfully without being prompted for the second factor of authentication (FortiToken) if they changed the case of their username." }, { "lang": "es", "value": "Una vulnerabilidad de autenticaci\u00f3n inapropiada en SSL VPN en FortiOS versiones 6.4.0, 6.2.0 a 6.2.3, 6.0.9 y posteriores, puede resultar en que un usuario sea capaz de iniciar sesi\u00f3n con \u00e9xito sin que sea requerido el segundo factor de autenticaci\u00f3n (FortiToken) si cambiaron el caso de su nombre de usuario" } ], "id": "CVE-2020-12812", "lastModified": "2024-02-13T17:25:58.537", "metrics": { "cvssMetricV2": [ { "acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": { "accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0" }, "exploitabilityScore": 10.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false } ], "cvssMetricV31": [ { "cvssData": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1" }, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary" } ] }, "published": "2020-07-24T23:15:12.003", "references": [ { "source": "psirt@fortinet.com", "tags": [ "Vendor Advisory" ], "url": "https://fortiguard.com/psirt/FG-IR-19-283" } ], "sourceIdentifier": "psirt@fortinet.com", "vulnStatus": "Analyzed", "weaknesses": [ { "description": [ { "lang": "en", "value": "CWE-178" }, { "lang": "en", "value": "CWE-287" } ], "source": "nvd@nist.gov", "type": "Primary" } ] } } } }
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Sightings
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Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.