VulnerabilityModified
CVE-2020-13820
Extreme Management Center 8.4.1.24 allows unauthenticated reflected XSS via a parameter in a GET request.
MEDIUM 6.1EPSS 4.18%
Does this matter?
Lower severity and a low EPSS score (4.18%). Track it; it rarely justifies an emergency change on its own.
Description
Extreme Management Center 8.4.1.24 allows unauthenticated reflected XSS via a parameter in a GET request.
- CVSS 3.1
- 6.1 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 4.18% probability · 91th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- extremenetworks/extreme management center
- Source
- cve@mitre.org
EPSS 4.2% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://documentation.extremenetworks.com/release_notes/netsight/XMC_8.5.0_Release_Notes.pdfRelease Notes, Vendor Advisory
- https://gtacknowledge.extremenetworks.comThird Party Advisory
- https://gtacknowledge.extremenetworks.com/articles/Solution/000051136Third Party Advisory
- https://medium.com/%400x00crash/xss-reflected-in-extreme-management-center-8-4-1-24-cve-2020-13820-c6febe951219
- https://documentation.extremenetworks.com/release_notes/netsight/XMC_8.5.0_Release_Notes.pdfRelease Notes, Vendor Advisory
- https://gtacknowledge.extremenetworks.comThird Party Advisory
- https://gtacknowledge.extremenetworks.com/articles/Solution/000051136Third Party Advisory
- https://medium.com/%400x00crash/xss-reflected-in-extreme-management-center-8-4-1-24-cve-2020-13820-c6febe951219
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.