How severe is CVE-2017-14331?

CVE-2017-14331 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-14331 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-14331?

CVE-2017-14331 primarily affects Extremenetworks Extremexos. In total, 17 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-14331?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2017-14331 published?

CVE-2017-14331 was published on 2017-10-23 and last updated on 2026-06-17.

CVE-2017-14331

CVE-2017-14331 is a medium-severity vulnerability in Extremenetworks Extremexos with a CVSS 3.x base score of 6.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 6.7)
CVSS v2: 7.2
EPSS exploit prediction: 0% (29th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Extremenetworks Extremexos
Published: 2017-10-23
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is 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.
How severe is CVE-2017-14331?: CVE-2017-14331 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-14331 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-14331?: CVE-2017-14331 primarily affects Extremenetworks Extremexos. In total, 17 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-14331?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-14331 published?: CVE-2017-14331 was published on 2017-10-23 and last updated on 2026-06-17.

References

https://extremeportal.force.com/ExtrArticleDetail?n=000017719

Affected products (17)

cpe:2.3:o:extremenetworks:extremexos:15.7:*:*:*:*:*:*:*
cpe:2.3:o:extremenetworks:extremexos:16.1.2:*:*:*:*:*:*:*
cpe:2.3:o:extremenetworks:extremexos:16.1.3:*:*:*:*:*:*:*
cpe:2.3:o:extremenetworks:extremexos:16.1.4:*:*:*:*:*:*:*
cpe:2.3:o:extremenetworks:extremexos:16.2:*:*:*:*:*:*:*
cpe:2.3:o:extremenetworks:extremexos:16.2.2:*:*:*:*:*:*:*
cpe:2.3:o:extremenetworks:extremexos:16.2.3:*:*:*:*:*:*:*
cpe:2.3:o:extremenetworks:extremexos:16.2.4:*:*:*:*:*:*:*
cpe:2.3:o:extremenetworks:extremexos:21.1:*:*:*:*:*:*:*
cpe:2.3:o:extremenetworks:extremexos:21.1.1:*:*:*:*:*:*:*
cpe:2.3:o:extremenetworks:extremexos:21.1.2:*:*:*:*:*:*:*
cpe:2.3:o:extremenetworks:extremexos:21.1.3:*:*:*:*:*:*:*
cpe:2.3:o:extremenetworks:extremexos:21.1.4:*:*:*:*:*:*:*
cpe:2.3:o:extremenetworks:extremexos:22.1:*:*:*:*:*:*:*
cpe:2.3:o:extremenetworks:extremexos:22.2:*:*:*:*:*:*:*
cpe:2.3:o:extremenetworks:extremexos:22.3:*:*:*:*:*:*:*
cpe:2.3:o:extremenetworks:extremexos:22.4:*:*:*:*:*:*:*

More vulnerabilities in Extremenetworks Extremexos

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CVE-2017-14332 — High (CVSS 8.1): Extreme EXOS 15.7, 16.x, 21.x, and 22.x allows remote attackers to hijack sessions by determining SessionID values.
CVE-2020-18305 — High (CVSS 8.0): Extreme Networks EXOS before v.22.7 and before v.30.2 was discovered to contain an issue in its Web GUI which fails to…
CVE-2017-14328 — High (CVSS 7.5): Extreme EXOS 15.7, 16.x, 21.x, and 22.x allows remote attackers to trigger a buffer overflow leading to a reboot.
CVE-2017-14330 — Medium (CVSS 6.7): Extreme EXOS 16.x, 21.x, and 22.x allows administrators to obtain a root shell via vectors involving a privileged…
CVE-2017-14329 — Medium (CVSS 6.7): Extreme EXOS 16.x, 21.x, and 22.x allows administrators to obtain a root shell via vectors involving an exsh debug…

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