{"api_version":"1","generated_at":"2026-04-23T02:37:26+00:00","cve":"CVE-2021-22549","urls":{"html":"https://cve.report/CVE-2021-22549","api":"https://cve.report/api/cve/CVE-2021-22549.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2021-22549","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-22549"},"summary":{"title":"CVE-2021-22549","description":"An attacker can modify the address to point to trusted memory to overwrite arbitrary trusted memory. It is recommended to update past 0.6.2 or git commit https://github.com/google/asylo/commit/53ed5d8fd8118ced1466e509606dd2f473707a5c","state":"PUBLIC","assigner":"security@google.com","published_at":"2021-06-08 14:15:00","updated_at":"2022-10-25 16:16:00"},"problem_types":["CWE-668"],"metrics":[],"references":[{"url":"https://github.com/google/asylo/commit/ecfcd0008b6f8f63c6fa3cc1b62fcd4a52f2c0ad","name":"https://github.com/google/asylo/commit/ecfcd0008b6f8f63c6fa3cc1b62fcd4a52f2c0ad","refsource":"MISC","tags":[],"title":"Store untrusted input to enclave variable · google/asylo@ecfcd00 · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-22549","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-22549","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[{"source":"LEGACY","value":"Qinkun Bao (Baidu Security)","lang":""},{"source":"LEGACY","value":"Zhaofeng Chen (Baidu Security)","lang":""},{"source":"LEGACY","value":"Mingshen Sun (Baidu Security)","lang":""},{"source":"LEGACY","value":"Kang Li (Baidu Security)","lang":""}],"nvd_cpes":[{"cve_year":"2021","cve_id":"22549","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"google","cpe5":"asylo","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"security@google.com","DATE_PUBLIC":"2021-03-12T11:00:00.000Z","ID":"CVE-2021-22549","STATE":"PUBLIC","TITLE":"Arbitrary enclave memory overwrite vulnerability in Asylo TrustedPrimitives::UntrustedCall"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"Asylo","version":{"version_data":[{"version_affected":"<=","version_value":"0.6.2"}]}}]},"vendor_name":"Google LLC"}]}},"credit":[{"lang":"eng","value":"Qinkun Bao (Baidu Security)"},{"lang":"eng","value":"Zhaofeng Chen (Baidu Security)"},{"lang":"eng","value":"Mingshen Sun (Baidu Security)"},{"lang":"eng","value":"Kang Li (Baidu Security)"}],"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"An attacker can modify the address to point to trusted memory to overwrite arbitrary trusted memory. It is recommended to update past 0.6.2 or git commit https://github.com/google/asylo/commit/53ed5d8fd8118ced1466e509606dd2f473707a5c"}]},"generator":{"engine":"Vulnogram 0.0.9"},"impact":{"cvss":{"attackComplexity":"HIGH","attackVector":"LOCAL","availabilityImpact":"LOW","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L","version":"3.1"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-823 Use of Out-of-range Pointer Offset"}]}]},"references":{"reference_data":[{"refsource":"MISC","url":"https://github.com/google/asylo/commit/ecfcd0008b6f8f63c6fa3cc1b62fcd4a52f2c0ad","name":"https://github.com/google/asylo/commit/ecfcd0008b6f8f63c6fa3cc1b62fcd4a52f2c0ad"}]},"source":{"discovery":"EXTERNAL"}},"nvd":{"publishedDate":"2021-06-08 14:15:00","lastModifiedDate":"2022-10-25 16:16:00","problem_types":["CWE-668"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH"},"exploitabilityScore":1.8,"impactScore":5.9},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:L/AC:L/Au:N/C:P/I:P/A:P","accessVector":"LOCAL","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL","baseScore":4.6},"severity":"MEDIUM","exploitabilityScore":3.9,"impactScore":6.4,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:google:asylo:*:*:*:*:*:*:*:*","versionEndExcluding":"0.6.2","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2021","CveId":"22549","Ordinal":"197254","Title":"CVE-2021-22549","CVE":"CVE-2021-22549","Year":"2021"},"notes":[{"CveYear":"2021","CveId":"22549","Ordinal":"1","NoteData":"An attacker can modify the address to point to trusted memory to overwrite arbitrary trusted memory. It is recommended to update past 0.6.2 or git commit https://github.com/google/asylo/commit/53ed5d8fd8118ced1466e509606dd2f473707a5c","Type":"Description","Title":null},{"CveYear":"2021","CveId":"22549","Ordinal":"2","NoteData":"2021-06-08","Type":"Other","Title":"Published"},{"CveYear":"2021","CveId":"22549","Ordinal":"3","NoteData":"2021-06-08","Type":"Other","Title":"Modified"}]}}}