What’s Vulnerable › Vulnerabilities

CVE-2023-43121

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-10-16 · updated 2026-06-17
• Weakness: CWE-22

Description

A Directory Traversal vulnerability discovered in Chalet application in Extreme Networks Switch Engine (EXOS) before 32.5.1.5, before 22.7, and before 31.7.2 allows attackers to read arbitrary files.

Affected products

• extremenetworks Exos: before 22.7; from 31.7.0 before 31.7.2; from 32.0 before 32.5.1.5 — fixed in 22.7, 31.7.2, 32.5.1.5

How to fix

Upgrade to a fixed version: extremenetworks Exos 22.7, 31.7.2, 32.5.1.5. Check the vendor advisory for mitigations.

References

• https://extreme-networks.my.site.com/ExtrArticleDetail?an=000114376
• https://extreme-networks.my.site.com/ExtrArticleDetail?an=000114376

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