{"id":"CVE-2023-52946","aliases":["EUVD-2023-59630","GHSA-pfx6-gm2c-cw74"],"status":"published","title":"Buffer copy without checking size of input ('Classic Buffer Overflow') vulnerability in vss...","description":"Buffer copy without checking size of input ('Classic Buffer Overflow') vulnerability in vss service component in Synology Drive Client before 3.5.0-16084 allows remote attackers to overwrite trivial buffers and crash the client via unspecified vectors.","severity":{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00537,"percentile":0.45577,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120"],"published":"2024-09-26T03:31:38Z","modified":"2026-06-17T06:43:59Z","products":[{"vendor":"synology","product":"drive"},{"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-2023-52946"},{"url":"https://github.com/advisories/GHSA-pfx6-gm2c-cw74"}],"sources":{"cve":[{"id":"CVE-2023-52946","description":"Buffer copy without checking size of input ('Classic Buffer Overflow') vulnerability in vss service component in Synology Drive Client before 3.5.0-16084 allows remote attackers to overwrite trivial buffers and crash the client via unspecified vectors.","status":"published","published":"2024-09-26T03:31:38.479Z","modified":"2024-09-26T14:53:50.864Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:35:18.508816Z"}],"euvd":[{"id":"EUVD-2023-59630","description":"Buffer copy without checking size of input ('Classic Buffer Overflow') vulnerability in vss service component in Synology Drive Client before 3.5.0-16084 allows remote attackers to overwrite trivial buffers and crash the client via unspecified vectors.","status":"published","published":"2024-09-26T03:31:38Z","modified":"2024-09-26T14:53:50Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H","level":"high"}],"updated_at":"2026-11-03T00:28:09.516714Z"}],"ghsa":[{"id":"GHSA-pfx6-gm2c-cw74","title":"Buffer copy without checking size of input ('Classic Buffer Overflow') vulnerability in vss...","description":"Buffer copy without checking size of input ('Classic Buffer Overflow') vulnerability in vss service component in Synology Drive Client before 3.5.0-16084 allows remote attackers to overwrite trivial buffers and 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":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H","level":"high"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:58:20.799511Z"}],"nvd":[{"id":"CVE-2023-52946","description":"Buffer copy without checking size of input ('Classic Buffer Overflow') vulnerability in vss service component in Synology Drive Client before 3.5.0-16084 allows remote attackers to overwrite trivial buffers and crash the client via unspecified vectors.","status":"published","published":"2024-09-26T04:15:05.863Z","modified":"2026-06-17T06:43:59.75Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:09:19.052418Z"}]}}