What is CVE-2023-1399?

CVE-2023-1399 is a high-severity vulnerability in Keysight N6854a, classified under Deserialization of Untrusted Data. CVSS score: 7.8/10. Published 2023-03-27.

How severe is CVE-2023-1399?

High severity. CVSS v3 base score is 7.8 out of 10.

Deserialization in Keysight N6854a

CVE-2023-1399

N6854A Geolocation Server versions 2.4.2 are vulnerable to untrusted data deserialization, which may allow a malicious actor to escalate privileges in the affected device’s default configuration and achieve remote code execution.

Vulnerability class: Insecure Deserialization

Published 2023-03-27 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.008 (54.3th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 54.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Keysight N6854a
Keysight N6854a Firmware
Keysight Technologies N6854a Geolocation Server — versions 0

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

www.cisa.gov/news-events/ics-advisories/icsa-23-080-01 (US Government Resource, Third Party Advisory)

Frequently asked questions

What is CVE-2023-1399?: CVE-2023-1399 is a high-severity vulnerability in Keysight N6854a, classified under Deserialization of Untrusted Data. CVSS score: 7.8/10. Published 2023-03-27.
How severe is CVE-2023-1399?: High severity. CVSS v3 base score is 7.8 out of 10.