CVE-2017-20242
Unauthenticated buffer overflow in Keysight IxChariot Endpoint enabling crash or RCE.
Is CVE-2017-20242 being exploited?
Not confirmed. CVE-2017-20242 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.72% probability of exploitation in the next 30 days.
How severe is CVE-2017-20242?
CVE-2017-20242 is rated Critical with a CVSS score of 9.3. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2017-20242?
Yes. A fix has been recorded for CVE-2017-20242. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2017-20242 affect?
CVE-2017-20242 affects Keysight IxChariot Endpoint versions prior to 9.5.102. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2017-20242?
Update IxChariot Endpoint to 9.5.102+ and isolate/block endpoints until patched.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthenticated remote attacker can send crafted packets to crash the endpoint or achieve remote code execution.
Immediate action required
- affected< 9.5.102
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.