How severe is CVE-2023-46271?

CVE-2023-46271 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-46271 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2023-46271?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2023-46271 have an EU (EUVD) identifier?

Yes. CVE-2023-46271 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-50498.

When was CVE-2023-46271 published?

CVE-2023-46271 was published on 2025-02-19 and last updated on 2026-06-17.

CVE-2023-46271

CVE-2023-46271 is a critical-severity vulnerability with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-120.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (49th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-50498
Weakness: CWE-120
Published: 2025-02-19
Last modified: 2026-06-17

Description

Extreme Networks IQ Engine before 10.6r1a, and through 10.6r4 before 10.6r5, has a buffer overflow. This issue arises from the ah_webui service, which listens on TCP port 3009 by default.

Frequently asked questions

What is CVE-2023-46271?: Extreme Networks IQ Engine before 10.6r1a, and through 10.6r4 before 10.6r5, has a buffer overflow. This issue arises from the ah_webui service, which listens on TCP port 3009 by default.
How severe is CVE-2023-46271?: CVE-2023-46271 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-46271 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2023-46271?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2023-46271 have an EU (EUVD) identifier?: Yes. CVE-2023-46271 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-50498.
When was CVE-2023-46271 published?: CVE-2023-46271 was published on 2025-02-19 and last updated on 2026-06-17.

References

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