{"id":"CVE-2022-49040","aliases":["EUVD-2022-53882","GHSA-8w37-7r3v-2w47"],"status":"published","title":"Buffer copy without checking size of input ('Classic Buffer Overflow') vulnerability in...","description":"Buffer copy without checking size of input ('Classic Buffer Overflow') vulnerability in connection management functionality in Synology Drive Client before 3.4.0-15721 allows local users with administrator privileges to crash the client via unspecified vectors.","severity":{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-08","score":0.00173,"percentile":0.06795,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120"],"published":"2024-09-26T03:34:10Z","modified":"2026-06-17T05:16:55Z","products":[{"vendor":"synology","product":"drive_client"},{"vendor":"synology","product":"synology drive client"}],"references":[{"url":"https://www.synology.com/en-global/security/advisory/Synology_SA_24_10","tags":["vendor-advisory","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-49040"},{"url":"https://github.com/advisories/GHSA-8w37-7r3v-2w47"}],"sources":{"cve":[{"id":"CVE-2022-49040","description":"Buffer copy without checking size of input ('Classic Buffer Overflow') vulnerability in connection management functionality in Synology Drive Client before 3.4.0-15721 allows local users with administrator privileges to crash the client via unspecified vectors.","status":"published","published":"2024-09-26T03:34:10.329Z","modified":"2024-09-26T14:40:39.04Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:34:23.8708Z"}],"euvd":[{"id":"EUVD-2022-53882","description":"Buffer copy without checking size of input ('Classic Buffer Overflow') vulnerability in connection management functionality in Synology Drive Client before 3.4.0-15721 allows local users with administrator privileges to crash the client via unspecified vectors.","status":"published","published":"2024-09-26T03:34:10Z","modified":"2024-09-26T14:40:39Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-03T00:28:09.922822Z"}],"ghsa":[{"id":"GHSA-8w37-7r3v-2w47","title":"Buffer copy without checking size of input ('Classic Buffer Overflow') vulnerability in...","description":"Buffer copy without checking size of input ('Classic Buffer Overflow') vulnerability in connection management functionality in Synology Drive Client before 3.4.0-15721 allows local users with administrator privileges to crash the client via unspecified vectors.","status":"published","published":"2024-09-26T06:30:47Z","modified":"2024-09-26T06:30:53Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:58:20.799511Z"}],"nvd":[{"id":"CVE-2022-49040","description":"Buffer copy without checking size of input ('Classic Buffer Overflow') vulnerability in connection management functionality in Synology Drive Client before 3.4.0-15721 allows local users with administrator privileges to crash the client via unspecified vectors.","status":"published","published":"2024-09-26T04:15:05.39Z","modified":"2026-06-17T05:16:55.01Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"},{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:07:40.977475Z"}]}}