{"id":"CVE-2012-4687","aliases":["EUVD-2012-4612","GHSA-rgvp-66gg-99pp"],"status":"published","title":"Post Oak Bluetooth Traffic Systems Insufficient Entropy","description":"Post Oak AWAM Bluetooth Reader Traffic System does not use a sufficient source of entropy for private keys, which makes it easier for man-in-the-middle attackers to spoof a device by predicting a key value.","severity":{"version":"2.0","score":7.6,"vector":"AV:N/AC:H/Au:N/C:C/I:C/A:C","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-08","score":0.01547,"percentile":0.75191,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-310","CWE-331"],"published":"2012-12-08T15:00:00Z","modified":"2026-06-16T23:45:34Z","products":[{"vendor":"post oak traffic systems","product":"awam bluetooth reader traffic system"},{"vendor":"postoaktraffic","product":"awam_bluetooth_reader"}],"references":[{"url":"https://www.cisa.gov/news-events/ics-advisories/icsa-12-335-01"},{"url":"http://www.postoaktraffic.com/contact.aspx"},{"url":"http://www.us-cert.gov/control_systems/pdf/ICSA-12-335-01.pdf","tags":["x_refsource_MISC","x_transferred","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-4687"},{"url":"https://github.com/advisories/GHSA-rgvp-66gg-99pp"}],"sources":{"cve":[{"id":"CVE-2012-4687","title":"Post Oak Bluetooth Traffic Systems Insufficient Entropy","description":"Post Oak AWAM Bluetooth Reader Traffic System does not use a sufficient source of entropy for private keys, which makes it easier for man-in-the-middle attackers to spoof a device by predicting a key value.","status":"published","published":"2012-12-08T15:00:00Z","modified":"2025-07-09T18:27:31.737Z","cvss":[{"version":"2.0","score":7.6,"vector":"AV:N/AC:H/Au:N/C:C/I:C/A:C","assessor":"cna"}],"cwes":["CWE-331"],"updated_at":"2026-11-02T14:34:51.269982Z"}],"euvd":[{"id":"EUVD-2012-4612","description":"Post Oak AWAM Bluetooth Reader Traffic System does not use a sufficient source of entropy for private keys, which makes it easier for man-in-the-middle attackers to spoof a device by predicting a key value.","status":"published","published":"2012-12-08T15:00:00Z","modified":"2025-07-09T18:27:31Z","cvss":[{"version":"2.0","score":7.6,"vector":"AV:N/AC:H/Au:N/C:C/I:C/A:C","level":"high"}],"updated_at":"2026-11-02T20:32:10.524333Z"}],"ghsa":[{"id":"GHSA-rgvp-66gg-99pp","title":"Post Oak AWAM Bluetooth Reader Traffic System does not use a sufficient source of entropy for...","description":"Post Oak AWAM Bluetooth Reader Traffic System does not use a sufficient source of entropy for private keys, which makes it easier for man-in-the-middle attackers to spoof a device by predicting a key value.","status":"published","published":"2022-05-17T05:17:48Z","modified":"2025-07-09T21:30:56Z","cwes":["CWE-331"],"updated_at":"2026-11-02T15:02:58.210008Z"}],"nvd":[{"id":"CVE-2012-4687","description":"Post Oak AWAM Bluetooth Reader Traffic System does not use a sufficient source of entropy for private keys, which makes it easier for man-in-the-middle attackers to spoof a device by predicting a key value.","status":"published","published":"2012-12-08T15:55:00.96Z","modified":"2026-06-16T23:45:34.837Z","cvss":[{"version":"2.0","score":7.6,"vector":"AV:N/AC:H/Au:N/C:C/I:C/A:C","level":"high","assessor":"secondary"},{"version":"2.0","score":7.6,"vector":"AV:N/AC:H/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-331","CWE-310"],"updated_at":"2026-11-02T14:02:16.958223Z"}]}}