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Fencer Intel
high 7.6

CVE-2012-4687 json

Post Oak Bluetooth Traffic Systems Insufficient Entropy

published 2012-12-08 13 y ago modified 2026-06-16 4 mo ago also EUVD-2012-4612

cvss
7.6
version 2.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.5%
EPSS 1.5% chance of exploitation in 30 days, percentile 75%
public exploits
0
none known

Summary

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.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-12-335-01 updated cvss 7.6

Post Oak Bluetooth Traffic Systems Insufficient Entropy Vulnerability

  • Post Oak Traffic Systems AWAM Bluetooth Reader Traffic System
    affected: mitigation

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

Exploit prediction

1.55% chance of exploitation in the next 30 days, higher than 75% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 2.0 7.6 AV:N/AC:H/Au:N/C:C/I:C/A:C
NVD 2.0 7.6 AV:N/AC:H/Au:N/C:C/I:C/A:C

Affected products

  • Post Oak Traffic Systems AWAM Bluetooth Reader Traffic System

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.