What’s Vulnerable › Vulnerabilities

CVE-2020-18305

• Severity: high (CVSS 8.0 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2024-05-14 · updated 2026-06-17
• Weakness: CWE-287

Description

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 restrict URL access, allowing attackers to access sensitive information or escalate privileges.

Affected products

• extremenetworks Extremexos: before 22.7; 30.1 — fixed in 22.7

How to fix

Upgrade to a fixed version: extremenetworks Extremexos 22.7. Check the vendor advisory for mitigations.

References

• https://gist.github.com/yasinyilmaz/1fe3fe58dd275edb77dcbe890fce2f2c
• https://gist.github.com/yasinyilmaz/1fe3fe58dd275edb77dcbe890fce2f2c

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