{"id":"CVE-2022-20527","aliases":["A-229994861","EUVD-2022-25787","GHSA-r33g-3864-p55f","PUB-A-229994861"],"status":"published","title":"In HalCoreCallback of halcore.cc, there is a possible out of bounds read due to a missing bounds...","description":"In HalCoreCallback of halcore.cc, there is a possible out of bounds read due to a missing bounds check. This could lead to local information disclosure from the NFC firmware with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-229994861","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.00124,"percentile":0.02185,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-125"],"published":"2022-12-01T00:00:00Z","modified":"2026-11-05T16:32:28Z","fixes":[{"ecosystem":"Android","package":"platform/hardware/st/nfc","fixed_in":["13:2022-12-01"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Android","package":"platform/hardware/st/nfc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"13:0"},{"fixed":"13:2022-12-01"}]}],"versions":["13"]}],"products":[{"vendor":"google","product":"android"}],"references":[{"url":"https://source.android.com/security/bulletin/pixel/2022-12-01","tags":["x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-20527"},{"url":"https://github.com/advisories/GHSA-r33g-3864-p55f"},{"url":"https://source.android.com/security/bulletin/2022-12-01","tags":["advisory"]},{"url":"https://android.googlesource.com/platform/hardware/st/nfc/+/bf79f190c62886e457e13b030dd67d846958b3c6","tags":["fix"]}],"sources":{"cve":[{"id":"CVE-2022-20527","description":"In HalCoreCallback of halcore.cc, there is a possible out of bounds read due to a missing bounds check. This could lead to local information disclosure from the NFC firmware with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-229994861","status":"published","published":"2022-12-16T00:00:00Z","modified":"2025-04-21T13:21:49.099Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"adp"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:34:24.234074Z"}],"euvd":[{"id":"EUVD-2022-25787","description":"In HalCoreCallback of halcore.cc, there is a possible out of bounds read due to a missing bounds check. This could lead to local information disclosure from the NFC firmware with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-229994861","status":"published","published":"2022-12-16T00:00:00Z","modified":"2025-04-21T13:21:49Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T20:52:19.235376Z"}],"ghsa":[{"id":"GHSA-r33g-3864-p55f","title":"In HalCoreCallback of halcore.cc, there is a possible out of bounds read due to a missing bounds...","description":"In HalCoreCallback of halcore.cc, there is a possible out of bounds read due to a missing bounds check. This could lead to local information disclosure from the NFC firmware with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-229994861","status":"published","published":"2022-12-20T21:30:19Z","modified":"2023-01-29T05:01:07Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:44:44.497628Z"}],"nvd":[{"id":"CVE-2022-20527","description":"In HalCoreCallback of halcore.cc, there is a possible out of bounds read due to a missing bounds check. This could lead to local information disclosure from the NFC firmware with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-229994861","status":"published","published":"2022-12-16T16:15:17.657Z","modified":"2026-06-17T04:24:29.637Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:07:34.031641Z"}],"osv":[{"id":"PUB-A-229994861","description":"In HalCoreCallback of halcore.cc, there is a possible out of bounds read due to a missing bounds check. This could lead to local information disclosure from the NFC firmware with no additional execution privileges needed. User interaction is not needed for exploitation.","status":"published","published":"2022-12-01T00:00:00Z","modified":"2026-11-11T16:12:36.322289056Z","updated_at":"2026-11-09T17:05:56.917158Z"}]}}