CVE-2022-34164

Local user impersonation via improper input validation

Published Aug 1, 2022 · Updated Sep 17, 2024

Authentication bypass in IBM CICS TX Standard and Advanced 11.1 allows local users to impersonate legitimate users via improper input validation. IBM has not disclosed the specific component or validation operation involved. Local access is required, and the documented consequence is identity impersonation without a reported ability to interrupt service or disclose data directly.

CVSS severity5.9
Medium
EPSS probability0.22%
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 IBM CICS TX Standard and Advanced 11.1 allows local users to impersonate legitimate users via improper input validation. IBM has not disclosed the specific component or validation operation involved. Local access is required, and the documented consequence is identity impersonation without a reported ability to interrupt service or disclose data directly.

The record

CVE
CVE-2022-34164
Published
Aug 1, 2022
Updated
Sep 17, 2024
Vendor
IBM
Product
CICS TX Standard
Classifications
CWE-20
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 1, 2022CVE 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=11.1

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

IBM · CICS TX Standardversion=11.1
IBM · CICS TX Advancedversion=11.1

Published CVSS scores

5.9IBMCVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

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)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-20Improper Input Validation

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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