CVE-2019-4537Network attack vector

Unauthenticated version disclosure via undisclosed mechanism

Published Feb 26, 2020 · Updated Sep 17, 2024

Information disclosure in IBM WebSphere Service Registry and Repository 8.5 allows remote attackers to obtain sensitive version information. IBM has not published the affected component or the operation that exposes the version value. The unauthenticated network path reveals product version data for use in follow-on targeting, with no reported ability to modify data or interrupt service.

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 WebSphere Service Registry and Repository 8.5 allows remote attackers to obtain sensitive version information. IBM has not published the affected component or the operation that exposes the version value. The unauthenticated network path reveals product version data for use in follow-on targeting, with no reported ability to modify data or interrupt service.

The record

CVE
CVE-2019-4537
Published
Feb 26, 2020
Updated
Sep 17, 2024
Vendor
IBM
Product
WebSphere Service Registry and Repository
Classifications
T1592.004
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 26, 2020CVE 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

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

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

  1. Affected versionversion=8.5

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

IBM · WebSphere Service Registry and Repositoryversion=8.5

Published CVSS scores

5.3IBMCVSS:3.0/AV:N/AC:L/PR:N/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.

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

T1592.004Gather Victim Host Information: Client Configurations

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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