What is CVE-2015-7931?

CVE-2015-7931 is a high-severity vulnerability in Adcon A840 Telemetry Gateway Base Station Firmware, classified under Improper Input Validation. CVSS score: 8.7/10. Published 2015-12-24.

How severe is CVE-2015-7931?

High severity. CVSS v3 base score is 8.7 out of 10.

Information disclosure in Adcon A840 Telemetry Gateway Base Station Firmware

CVE-2015-7931

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.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2015-12-24 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.7 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.013 (69.2th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 69th percentile — 69.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000

Affected products

Adcon A840 Telemetry Gateway Base Station Firmware

Weakness classification (CWE)

References

ics-cert.us-cert.gov/advisories/ICSA-15-349-01 (US Government Resource, Third Party Advisory)
www.securityfocus.com/bid/79345 (vdb-entry)

Frequently asked questions

What is CVE-2015-7931?: CVE-2015-7931 is a high-severity vulnerability in Adcon A840 Telemetry Gateway Base Station Firmware, classified under Improper Input Validation. CVSS score: 8.7/10. Published 2015-12-24.
How severe is CVE-2015-7931?: High severity. CVSS v3 base score is 8.7 out of 10.