CVE-2021-33848Network attack vector

Authenticated session abuse via reflected GET-parameter JavaScript

Published Jan 21, 2022 · Updated Apr 16, 2025

Reflected XSS in Fresenius Kabi Vigilant Software Suite 2.0.1.3 allows remote attackers to run script in an authenticated user's browser. The Mastermed Dashboard reflects JavaScript supplied in an HTTP GET parameter into a rendered response without neutralizing it. Exploitation requires a user to follow the crafted request; script can read internal information or act with that user's session.

CVSS severity6.1
Medium
EPSS probability0.61%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Reflected XSS in Fresenius Kabi Vigilant Software Suite 2.0.1.3 allows remote attackers to run script in an authenticated user's browser. The Mastermed Dashboard reflects JavaScript supplied in an HTTP GET parameter into a rendered response without neutralizing it. Exploitation requires a user to follow the crafted request; script can read internal information or act with that user's session.

The record

CVE
CVE-2021-33848
Published
Jan 21, 2022
Updated
Apr 16, 2025
Vendor
Fresenius Kabi
Product
Vigilant Software Suite – Vigilant Master Med
Classifications
CWE-79, T1204.001
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jan 21, 2022CVE publishedPublication date reported by the CVE source.
  2. Apr 16, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=unspecified <2.0.1.3

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Fresenius Kabi · Vigilant Software Suite – Vigilant Master Medversion=unspecified <2.0.1.3

Published CVSS scores

4.3NIST NVDAV:N/AC:M/Au:N/C:N/I:P/A:N
6.1NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
5.4ICS-CERTCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1204.001Malicious Link

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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