{"id":"CVE-2023-34758","aliases":["CVE-2023-35170","GHSA-8jxm-xp43-qh3q","GO-2023-1866"],"url":"https://o3.security/vulnerability/CVE-2023-34758","summary":"Silver vulnerable to MitM attack against implants due to a cryptography vulnerability","details":"Sliver from v1.5.x to v1.5.39 has an improper cryptographic implementation, which allows attackers to execute a man-in-the-middle attack via intercepted and crafted responses.","published":"2023-08-28T00:00:00Z","modified":"2026-08-12T03:51:29.503820243Z","cvss":{"score":8.1,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Go","name":"github.com/bishopfox/sliver","fixedVersion":"1.5.40"}],"fix":null,"references":[{"type":"WEB","url":"https://github.com/BishopFox/sliver/releases/tag/v1.5.40"},{"type":"WEB","url":"https://www.chtsecurity.com/news/04f41dcc-1851-463c-93bc-551323ad8091"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/34xxx/CVE-2023-34758.json"},{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-8jxm-xp43-qh3q"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-34758"},{"type":"PACKAGE","url":"https://github.com/tangent65536/Slivjacker"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:29.503820243Z"}}