CVE-2020-13820

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

4.18% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 90.0% of scored records. A rank, not a probability.

NVD base score

6.1 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2020-08-03 16:22Z6 YR AGO

Last updated

2024-08-04 12:25Z2 YR AGO

Reserved

2020-06-04

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')Base

Data version

5.1

Document digest

ced9512a69103742e8ccf5f2e49c853e03a69e1ad1ea8014b1235d806e890b89

• gtacknowledge.extremenetworks.comhttps://gtacknowledge.extremenetworks.comx_refsource_MISC
• gtacknowledge.extremenetworks.comhttps://gtacknowledge.extremenetworks.com/articles/Solution/000051136x_refsource_MISC
• documentation.extremenetworks.comhttps://documentation.extremenetworks.com/release_notes/netsight/XMC_8.5.0_Release_Notes.pdfx_refsource_MISC
• medium.comhttps://medium.com/%400x00crash/xss-reflected-in-extreme-management-center-8-4-1-24-cve-2020-13820-c6febe951219x_refsource_MISC