What’s Vulnerable › Vulnerabilities

CVE-2020-13819

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-08-05 · updated 2026-06-17
• Weakness: CWE-79

Description

Extreme EAC Appliance 8.4.1.24 allows unauthenticated reflected XSS via a parameter in a GET request.

Affected products

• extremenetworks Extreme Management Center: before 8.5.0.169 — fixed in 8.5.0.169

How to fix

Upgrade to a fixed version: extremenetworks Extreme Management Center 8.5.0.169. Check the vendor advisory for mitigations.

References

• https://documentation.extremenetworks.com/release_notes/netsight/XMC_8.5.0_Release_Notes.pdf
• https://gtacknowledge.extremenetworks.com
• https://gtacknowledge.extremenetworks.com/articles/Solution/000051136
• https://documentation.extremenetworks.com/release_notes/netsight/XMC_8.5.0_Release_Notes.pdf
• https://gtacknowledge.extremenetworks.com
• https://gtacknowledge.extremenetworks.com/articles/Solution/000051136

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