CVE-2020-13820

CVE-2020-13820

EPSS 4.0%

Vexday Risk Score

18Low

SSVC decision (CISA)

Attend

PoC available → attend closely

Exploit maturity

Functional exploit

Automatable exploit available (Nuclei/Metasploit).

CVSS —EPSS 4.0%KEV nãoPoC —Nuclei simMetasploit —Patch —

Lifecycle

03 Aug 2020Published on NVD

Recommendation: Plan a near-term fix — a public PoC already exists.

Extreme Management Center 8.4.1.24 allows unauthenticated reflected XSS via a parameter in a GET request.

Affected products

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://medium.com/%400x00crash/xss-reflected-in-extreme-management-center-8-4-1-24-cve-2020-13820-c6febe951219