{"id":"CVE-2015-7923","aliases":["EUVD-2015-7821","GHSA-35hv-m5vp-r3wp"],"status":"published","title":"Westermo WeOS before 4.19.0 uses the same SSL private key across different customers'...","description":"Westermo WeOS before 4.19.0 uses the same SSL private key across different customers' installations, which makes it easier for man-in-the-middle attackers to defeat cryptographic protection mechanisms by leveraging knowledge of a key.","severity":{"version":"3.0","score":9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01206,"percentile":0.68514,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-310"],"published":"2016-01-30T11:00:00Z","modified":"2026-06-17T00:33:23Z","products":[{"vendor":"westermo","product":"weos"}],"references":[{"url":"https://ics-cert.us-cert.gov/advisories/ICSA-16-028-01","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2015-7923"},{"url":"https://github.com/advisories/GHSA-35hv-m5vp-r3wp"}],"sources":{"cve":[{"id":"CVE-2015-7923","description":"Westermo WeOS before 4.19.0 uses the same SSL private key across different customers' installations, which makes it easier for man-in-the-middle attackers to defeat cryptographic protection mechanisms by leveraging knowledge of a key.","status":"published","published":"2016-01-30T11:00:00Z","modified":"2024-08-06T08:06:30.799Z","updated_at":"2026-11-02T14:35:44.744952Z"}],"euvd":[{"id":"EUVD-2015-7821","description":"Westermo WeOS before 4.19.0 uses the same SSL private key across different customers' installations, which makes it easier for man-in-the-middle attackers to defeat cryptographic protection mechanisms by leveraging knowledge of a key.","status":"published","published":"2016-01-30T11:00:00Z","modified":"2024-08-06T08:06:30Z","updated_at":"2026-11-03T02:21:50.339607Z"}],"ghsa":[{"id":"GHSA-35hv-m5vp-r3wp","title":"Westermo WeOS before 4.19.0 uses the same SSL private key across different customers'...","description":"Westermo WeOS before 4.19.0 uses the same SSL private key across different customers' installations, which makes it easier for man-in-the-middle attackers to defeat cryptographic protection mechanisms by leveraging knowledge of a key.","status":"published","published":"2022-05-17T03:58:33Z","modified":"2023-01-28T05:00:50Z","cvss":[{"version":"3.0","score":9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T14:43:25.46952Z"}],"nvd":[{"id":"CVE-2015-7923","description":"Westermo WeOS before 4.19.0 uses the same SSL private key across different customers' installations, which makes it easier for man-in-the-middle attackers to defeat cryptographic protection mechanisms by leveraging knowledge of a key.","status":"published","published":"2016-01-30T12:59:00.133Z","modified":"2026-06-17T00:33:23.64Z","cvss":[{"version":"3.0","score":9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":9.3,"vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-310"],"updated_at":"2026-11-02T14:03:15.746629Z"}]}}