What is the CVSS score of CVE-2023-46271?

CVE-2023-46271 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.1%.

Which versions of Extreme Networks IQ Engine are affected by CVE-2023-46271?

CVE-2023-46271 presents critical security risk, a buffer overflow vulnerability rated CVSS 9.8.

How to fix or mitigate CVE-2023-46271?

Within 24 hours: Identify all affected systems and apply vendor patches immediately. If patching is delayed, consider network segmentation to limit exposure.

Extreme Networks IQ Engine CVE-2023-46271

CRITICAL

Classic Buffer Overflow (CWE-120)

2025-02-19 cve@mitre.org

Buffer Overflow

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:27 vuln.today

CVE Published

Feb 19, 2025 - 19:15 nvd

CRITICAL 9.8

DescriptionCVE.org

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.

AnalysisAI

Extreme Networks IQ Engine before 10.6r1a, and through 10.6r4 before 10.6r5, has a buffer overflow. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Buffer Copy without Size Check (CWE-120), which allows attackers to overflow a buffer to corrupt adjacent memory. 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. Version information: before 10.6.

Affected ProductsAI

See vendor advisory for affected versions.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Always validate buffer sizes before copy operations. Use bounded functions (strncpy, snprintf). Enable compiler protections.