CVE-2020-28903

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

10.10% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 95.2% 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

2021-05-24 12:43Z5 YR AGO

Last updated

2024-08-04 16:40Z2 YR AGO

Reserved

2020-11-17

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

1ce4e710d4372edb96984a8661026fcb8149d315caa8ba329d7dbd383c39e884

• www.nagios.comhttps://www.nagios.com/downloads/nagios-xi/change-log/x_refsource_MISC
• skylightcyber.comhttps://skylightcyber.com/2021/05/20/13-nagios-vulnerabilities-7-will-shock-you/x_refsource_MISC
• packetstormsecurity.comhttp://packetstormsecurity.com/files/162783/Nagios-XI-Fusion-Privilege-Escalation-Cross-Site-Scripting-Code-Execution.htmlx_refsource_MISC