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Fencer Intel
high 8.7

CVE-2015-7931 json

The Java client in Adcon Telemetry A840 Telemetry Gateway Base Station does not authenticate the station device, which allows man-in-the-mi…

published 10y ago modified 4mo ago also EUVD-2015-7829

cvss
8.7
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.3%
EPSS 1.3% chance of exploitation in 30 days, percentile 70%
public exploits
0
none known

Summary

The Java client in Adcon Telemetry A840 Telemetry Gateway Base Station does not authenticate the station device, which allows man-in-the-middle attackers to spoof devices and obtain sensitive information by reading cleartext packet data, related to the lack of SSL support.

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Vendor advisories

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

cisa ICSA-15-349-01 updated cvss 10.0

Adcon Telemetry A840 Vulnerabilities

  • Adcon Telemetry A840 Telemetry Gateway Base Station
    affected: mitigation “Adcon Telemetry has stated that the A840 is an obsolete product and is no longer supported.”

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

1.30% chance of exploitation in the next 30 days, higher than 70% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.0 8.7 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
NVD 2.0 5.8 AV:N/AC:M/Au:N/C:P/I:P/A:N

Classification

Weakness
  • CWE-20 Improper Input Validation
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

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.