CVE-2020-4153Network attack vector

Credential disclosure via embedded Web UI JavaScript

Published Nov 8, 2021 · Updated Sep 16, 2024

Cross-site scripting in IBM QRadar Network Security 5.4.0 and 5.5.0 allows remote authenticated users to run JavaScript in the Web UI. The Web UI accepts and embeds arbitrary JavaScript; IBM has not identified the affected request, field, page, or missing neutralization operation. Exploitation requires authenticated access and user interaction within a trusted session, where the script can alter interface behavior and disclose credentials.

CVSS severity5.4
Medium
EPSS probability0.50%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cross-site scripting in IBM QRadar Network Security 5.4.0 and 5.5.0 allows remote authenticated users to run JavaScript in the Web UI. The Web UI accepts and embeds arbitrary JavaScript; IBM has not identified the affected request, field, page, or missing neutralization operation. Exploitation requires authenticated access and user interaction within a trusted session, where the script can alter interface behavior and disclose credentials.

The record

CVE
CVE-2020-4153
Published
Nov 8, 2021
Updated
Sep 16, 2024
Vendor
IBM
Product
IBM QRadar Network Security
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Nov 8, 2021CVE publishedPublication date reported by the CVE source.
  2. Sep 16, 2024Record 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=5.4.0
  2. Affected versionversion=5.5.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

IBM · IBM QRadar Network Securityversion=5.4.0; version=5.5.0

Published CVSS scores

5.4NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
5.2IBM X-ForceCVSS:3.0/A:N/S:C/AC:L/C:L/I:L/AV:N/PR:L/UI:R/RL:O/E:H/RC:C
3.5NIST NVDAV:N/AC:M/Au:S/C:N/I:P/A:N
5.4IBM X-ForceCVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1059.007Command and Scripting Interpreter: JavaScript/JScript

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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