CVE-2020-13820
Extreme Management Center 8.4.1.24 allows unauthenticated reflected XSS via a parameter in a GET...
Extreme Management Center 8.4.1.24 allows unauthenticated reflected XSS via a parameter in a GET request.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
Extreme Management Center 8.4.1.24 allows unauthenticated reflected XSS via a parameter in a GET request.
- Record
CVE-2020-13820- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
Extreme Management Center 8.4.1.24 allows unauthenticated reflected XSS via a parameter in a GET request.
- Record
CVE-2020-13820- Updated
- 2026-11-02
EUVDEUVD-2020-6035 No score
Extreme Management Center 8.4.1.24 allows unauthenticated reflected XSS via a parameter in a GET request.
- Record
EUVD-2020-6035- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-g3w5-xmfj-m528 No score
Extreme Management Center 8.4.1.24 allows unauthenticated reflected XSS via a parameter in a GET...
Extreme Management Center 8.4.1.24 allows unauthenticated reflected XSS via a parameter in a GET request.
- Record
GHSA-g3w5-xmfj-m528- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Nuclei | Extreme Management Center 8.4.1.24 - Cross-Site Scripting |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, Nuclei, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-13820 is a medium vulnerability (CVSS 6.1) in Extremenetworks Extreme Management Center, published August 3, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.18%, the 90th percentile. No source names a fixed version.
References
gtacknowledge.extremenetworks.com
documentation.extremenetworks.com/release_notes/netsight/XMC_8.5.0_Release_Notes.pdf
medium.com/%400x00crash/xss-reflected-in-extreme-management-center-8-4-1-24-cve-2020-13820-c6febe951219
nvd.nist.gov/vuln/detail/CVE-2020-13820
github.com/advisories/GHSA-g3w5-xmfj-m528