How severe is CVE-2017-14331?

Medium severity. CVSS v3 base score is 6.7 out of 10.

Vulnerability in Extremenetworks Extremexos

CVE-2017-14331

Extreme EXOS 16.x, 21.x, and 22.x allows administrators to bypass the "exsh restricted shell" protection mechanism and obtain an interactive shell.

Published 2017-10-23 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (28.7th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 28.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Extremenetworks Extremexos — versions 15.7, 16.1.2, 16.1.3

References

extremeportal.force.com/ExtrArticleDetail (Mitigation, Vendor Advisory)

Frequently asked questions

What is CVE-2017-14331?: CVE-2017-14331 is a medium-severity vulnerability in Extremenetworks Extremexos. CVSS score: 6.7/10. Published 2017-10-23.
How severe is CVE-2017-14331?: Medium severity. CVSS v3 base score is 6.7 out of 10.