CVE-2026-84230Network attack vector

Unauthenticated DoS via unsynchronized shared-map writes

Published Oct 8, 2026 · Updated Oct 8, 2026

A race condition in IBM Guardium Data Protection 12.2.2 allows remote attackers to interrupt service through concurrent shared-map writes. Concurrent writes are not synchronized; IBM does not identify the affected function or request path. No authentication or user interaction is required, but IBM does not specify whether the interruption is a crash or hang.

CVSS severity7.5
High
EPSS probability0.26%
Next 30 days · Oct 19, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

A race condition in IBM Guardium Data Protection 12.2.2 allows remote attackers to interrupt service through concurrent shared-map writes. Concurrent writes are not synchronized; IBM does not identify the affected function or request path. No authentication or user interaction is required, but IBM does not specify whether the interruption is a crash or hang.

The record

CVE
CVE-2026-84230
Published
Oct 8, 2026
Updated
Oct 8, 2026
Vendor
IBM
Product
Guardium Data Protection
Classifications
CWE-362, T1499.004
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Oct 8, 2026CVE publishedPublication date reported by the CVE source.
  2. Oct 8, 2026Record 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=12.2.2

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

IBM · Guardium Data Protectionversion=12.2.2

Published CVSS scores

7.5IBMCVSS:3.1/AV:N/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.

Activity data is delayed. The latest report is Sep 28, 2026.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 22, 2026Sep 28, 2026
Latest reporting daySep 28, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
T1499.004Application or System Exploitation

Public exploit references

No public exploit references are available in this record.

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Technologies

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