CVE-2022-34308

Local denial of service via improper load handling

Published Oct 7, 2022 · Updated Sep 16, 2024

Denial of Service in the CICS TX transaction server in IBM CICS TX 11.1 allows local users to cause service interruption via improper load handling. IBM identifies improper load handling as the cause but does not disclose the specific operation or input path that fails. Local access is required, and the bounded consequence is denial of service affecting transaction-server availability without stated confidentiality or integrity impact.

CVSS severity6.2
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

Denial of Service in the CICS TX transaction server in IBM CICS TX 11.1 allows local users to cause service interruption via improper load handling. IBM identifies improper load handling as the cause but does not disclose the specific operation or input path that fails. Local access is required, and the bounded consequence is denial of service affecting transaction-server availability without stated confidentiality or integrity impact.

The record

CVE
CVE-2022-34308
Published
Oct 7, 2022
Updated
Sep 16, 2024
Vendor
IBM
Product
CICS TX Standard
Classifications
CWE-770, T1499
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Oct 7, 2022CVE 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?

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  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

6.2IBM CorporationCVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-770Allocation of Resources Without Limits or Throttling
T1499Endpoint Denial of Service

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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