CVE-2020-4189Network attack vector

Authenticated information disclosure via response headers

Published Jan 27, 2021 · Updated Sep 17, 2024

Information disclosure in IBM Security Guardium 11.2 allows remote authenticated users to read sensitive response-header data. The product places sensitive information in HTTP response headers, but IBM has not identified the affected header, endpoint, or generating code. Low-privileged network access is required, and the disclosed data supports further attacks rather than direct modification or interruption.

CVSS severity4.3
Medium
EPSS probability0.65%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Information disclosure in IBM Security Guardium 11.2 allows remote authenticated users to read sensitive response-header data. The product places sensitive information in HTTP response headers, but IBM has not identified the affected header, endpoint, or generating code. Low-privileged network access is required, and the disclosed data supports further attacks rather than direct modification or interruption.

The record

CVE
CVE-2020-4189
Published
Jan 27, 2021
Updated
Sep 17, 2024
Vendor
IBM
Product
IBM Security Guardium
Classifications
CWE-312
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jan 27, 2021CVE publishedPublication date reported by the CVE source.
  2. Sep 17, 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=11.2

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

IBM · IBM Security Guardiumversion=11.2

Published CVSS scores

4.0NIST National Vulnerability DatabaseAV:N/AC:L/Au:S/C:P/I:N/A:N
4.3IBM CorporationCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
4.3NIST National Vulnerability DatabaseCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/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.

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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-312Cleartext Storage of Sensitive Information

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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