CVE-2023-38367Network attack vector

Unauthenticated IdP configuration changes via invalid tokens

Published Feb 29, 2024 · Updated Mar 27, 2025

Authentication bypass in the Identity Provider API in IBM Cloud Pak for Business Automation allows remote attackers to alter IdP configurations. The API accepts an invalid token for create, read, update, and delete operations; IBM has not disclosed the specific faulty validation locus. No credentials or user interaction are required in releases 18.0.0, 18.0.1, 18.0.2, 19.0.1, 19.0.2, 19.0.3, 20.0.1, 20.0.2, 20.0.3, 21.0.1, 21.0.2, 21.0.3, 22.0.1, and 22.0.2.

CVSS severity6.5
Medium
EPSS probability0.40%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Authentication bypass in the Identity Provider API in IBM Cloud Pak for Business Automation allows remote attackers to alter IdP configurations. The API accepts an invalid token for create, read, update, and delete operations; IBM has not disclosed the specific faulty validation locus. No credentials or user interaction are required in releases 18.0.0, 18.0.1, 18.0.2, 19.0.1, 19.0.2, 19.0.3, 20.0.1, 20.0.2, 20.0.3, 21.0.1, 21.0.2, 21.0.3, 22.0.1, and 22.0.2.

The record

CVE
CVE-2023-38367
Published
Feb 29, 2024
Updated
Mar 27, 2025
Vendor
IBM
Product
IBM Cloud Pak for Business Automation
Classifications
CWE-287, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 29, 2024CVE publishedPublication date reported by the CVE source.
  2. Mar 27, 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=18.0.0
  2. Affected versionversion=18.0.0, 18.0.1, 18.0.2, 19.0.1, 19.0.2, 19.0.3, 20.0.1, 20.0.2, 20.0.3, 21.0.1, 21.0.2, 21.0.3, 22.0.1, 22.0.2
  3. Affected versionversion=18.0.1
  4. Affected versionversion=18.0.2
  5. Affected versionversion=19.0.1
  6. Affected versionversion=19.0.2
  7. Affected versionversion=19.0.3
  8. Affected versionversion=20.0.1
  9. Affected versionversion=20.0.2
  10. Affected versionversion=20.0.3
  11. Affected versionversion=21.0.1
  12. Affected versionversion=21.0.2
  13. Affected versionversion=21.0.3
  14. Affected versionversion=22.0.1
  15. Affected versionversion=22.0.2

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

IBM · IBM Cloud Pak for Business Automationversion=18.0.0; version=18.0.0, 18.0.1, 18.0.2, 19.0.1, 19.0.2, 19.0.3, 20.0.1, 20.0.2, 20.0.3, 21.0.1, 21.0.2, 21.0.3, 22.0.1, 22.0.2; version=18.0.1; version=18.0.2; version=19.0.1; version=19.0.2; version=19.0.3; version=20.0.1; version=20.0.2; version=20.0.3; version=21.0.1; version=21.0.2; version=21.0.3; version=22.0.1; version=22.0.2

Published CVSS scores

6.5IBM CorporationCVSS:3.1/AV:N/AC:L/PR:N/UI:N/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 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

CWE-287Improper Authentication
T1190Exploit Public-Facing Application

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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