CVE-2020-13819 json
Extreme EAC Appliance 8.4.1.24 allows unauthenticated reflected XSS via a parameter in a GET request.
published 6y ago modified 4mo ago also EUVD-2020-6034
- cvss
- 6.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.9%
- EPSS 0.9% chance of exploitation in 30 days, percentile 58%
- public exploits
- 0
- none known
Summary
Extreme EAC Appliance 8.4.1.24 allows unauthenticated reflected XSS via a parameter in a GET request.
Patch / fix
- extremenetworks extreme_management_center 8.5.0.169
Is CVE-2020-13819 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerExploit prediction
0.85% chance of exploitation in the next 30 days, higher than 58% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
gtacknowledge.extremenetworks.com
vendor-advisory
-
gtacknowledge.extremenetworks.com
/articles/Solution/000051136
vendor-advisory
-
documentation.extremenetworks.com
/release_notes/netsight/XMC_8.5.0_Release_Notes.pdf
release-notes, vendor-advisory
Sources
- CVE List CVE-2020-13819
- NVD CVE-2020-13819
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.