What is CVE-2017-20242?

CVE-2017-20242 is a critical-severity vulnerability in Keysight Ixchariot, classified under Stack-based Buffer Overflow. CVSS score: 9.8/10. Published 2026-08-04.

How severe is CVE-2017-20242?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Keysight Ixchariot

CVE-2017-20242

Keysight IxChariot Endpoint before 9.5.102 contains a stack-based buffer overflow. An unauthenticated remote attacker can send a specially crafted packet to crash the endpoint or potentially execute arbitrary code.

Vulnerability class: Buffer Overflow

Published 2026-08-04 · last modified 2026-08-26.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.013 (70.3th percentile), scored 2026-11-02.

Low probability of exploitation in the next 30 days, but still tracked. 70th percentile — 70.3% 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

Keysight Ixchariot — versions 9.5.102, 0

Weakness classification (CWE)

CWE-121 — Stack-based Buffer Overflow

References

9119a7d8-5eab-497f-8521-727c672e3725 (third-party-advisory)
9119a7d8-5eab-497f-8521-727c672e3725 (vdb-entry)
9119a7d8-5eab-497f-8521-727c672e3725 (vendor-advisory)

Frequently asked questions

What is CVE-2017-20242?: CVE-2017-20242 is a critical-severity vulnerability in Keysight Ixchariot, classified under Stack-based Buffer Overflow. CVSS score: 9.8/10. Published 2026-08-04.
How severe is CVE-2017-20242?: Critical severity. CVSS v3 base score is 9.8 out of 10.