{"id":"CVE-2023-34937","aliases":["EUVD-2023-38976","GHSA-qp25-xgfj-8r2q"],"status":"published","title":"A stack overflow in the UpdateSnat function of H3C Magic B1STV100R012 allows attackers to cause a...","description":"A stack overflow in the UpdateSnat function of H3C Magic B1STV100R012 allows attackers to cause a Denial of Service (DoS) via a crafted POST request.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00848,"percentile":0.58374,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2023-06-28T00:00:00Z","modified":"2026-06-17T06:04:08Z","products":[{"vendor":"h3c","product":"magic"},{"vendor":"h3c","product":"magic_b1st_firmware"}],"references":[{"url":"https://github.com/h4kuy4/vuln/blob/main/H3C_B1STW/CVE-2023-34937.md","tags":["x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-34937"},{"url":"https://github.com/advisories/GHSA-qp25-xgfj-8r2q"}],"sources":{"cve":[{"id":"CVE-2023-34937","description":"A stack overflow in the UpdateSnat function of H3C Magic B1STV100R012 allows attackers to cause a Denial of Service (DoS) via a crafted POST request.","status":"published","published":"2023-06-28T00:00:00Z","modified":"2024-11-27T16:28:35.837Z","updated_at":"2026-11-02T14:35:35.580545Z"}],"euvd":[{"id":"EUVD-2023-38976","description":"A stack overflow in the UpdateSnat function of H3C Magic B1STV100R012 allows attackers to cause a Denial of Service (DoS) via a crafted POST request.","status":"published","published":"2023-06-28T00:00:00Z","modified":"2024-11-27T16:28:35Z","updated_at":"2026-11-03T00:04:45.657538Z"}],"ghsa":[{"id":"GHSA-qp25-xgfj-8r2q","title":"A stack overflow in the UpdateSnat function of H3C Magic B1STV100R012 allows attackers to cause a...","description":"A stack overflow in the UpdateSnat function of H3C Magic B1STV100R012 allows attackers to cause a Denial of Service (DoS) via a crafted POST request.","status":"published","published":"2023-06-28T15:30:23Z","modified":"2024-04-04T05:14:21Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:56:30.604932Z"}],"nvd":[{"id":"CVE-2023-34937","description":"A stack overflow in the UpdateSnat function of H3C Magic B1STV100R012 allows attackers to cause a Denial of Service (DoS) via a crafted POST request.","status":"published","published":"2023-06-28T15:15:10.377Z","modified":"2026-06-17T06:04:08.523Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:08:14.715708Z"}]}}