CVE-2020-4187Network attack vector

Information disclosure via leftover JavaScript debug comments

Published Jun 3, 2020 · Updated Sep 16, 2024

Information disclosure in IBM Security Guardium 11.1 allows remote attackers to read sensitive login-page data via unauthenticated requests. Login-page JavaScript files retain numerous debug comments that expose information useful for further attacks. The page is remotely reachable without authentication; IBM reports confidentiality impact only and does not identify the exposed values.

CVSS severity5.3
Medium
EPSS probability1.07%
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 11.1 allows remote attackers to read sensitive login-page data via unauthenticated requests. Login-page JavaScript files retain numerous debug comments that expose information useful for further attacks. The page is remotely reachable without authentication; IBM reports confidentiality impact only and does not identify the exposed values.

The record

CVE
CVE-2020-4187
Published
Jun 3, 2020
Updated
Sep 16, 2024
Vendor
IBM
Product
IBM Security Guardium
Classifications
T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jun 3, 2020CVE 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=11.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

IBM · IBM Security Guardiumversion=11.1

Published CVSS scores

5.3NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
5.3IBM CorporationCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
5.0NIST NVDAV:N/AC:L/Au:N/C:P/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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1190Exploit Public-Facing Application

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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