CVE-2012-4687

Post Oak Bluetooth Traffic Systems Insufficient Entropy

State: Published
Severity: 7.6 High
Published: Dec 8, 2012
Updated: Jul 9, 2025
Reserved: Aug 28, 2012

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.

Scores

CVSS	Score	Vector	Source
2.0	7.6 High	AV:N/AC:H/Au:N/C:C/I:C/A:C	icscert

Weaknesses

CWE-331

Affected Products

Product	Versions
AWAM Bluetooth Reader Traffic SystemPost Oak Traffic Systems	All versionsAffected

References

https://www.cisa.gov/news-events/ics-advisories/icsa-12-335-01
http://www.postoaktraffic.com/contact.aspx
http://www.us-cert.gov/control_systems/pdf/ICSA-12-335-01.pdf

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