CVE-2022-43740Network attack vector

Unauthenticated service interruption via resource exhaustion

Published Oct 14, 2023 · Updated Sep 16, 2024

Uncontrolled resource consumption in IBM Security Verify Access OIDC Provider allows remote attackers to interrupt the service. IBM has not published the request path, input, or operation that consumes resources without an effective bound. The network path requires no authentication or user interaction, and successful exploitation interrupts availability without reported data disclosure or modification.

CVSS severity7.5
High
EPSS probability1.00%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Uncontrolled resource consumption in IBM Security Verify Access OIDC Provider allows remote attackers to interrupt the service. IBM has not published the request path, input, or operation that consumes resources without an effective bound. The network path requires no authentication or user interaction, and successful exploitation interrupts availability without reported data disclosure or modification.

The record

CVE
CVE-2022-43740
Published
Oct 14, 2023
Updated
Sep 16, 2024
Vendor
IBM
Product
IBM Security Verify Access
Classifications
CWE-400, T1499
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Oct 14, 2023CVE 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?

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

  1. Affected versionversion=OIDC Provider

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

IBM · IBM Security Verify Accessversion=OIDC Provider

Published CVSS scores

7.5IBM CorporationCVSS: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.

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

CWE-400Uncontrolled Resource Consumption
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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