CVE-2023-45167

Local denial of service via undisclosed Python flaw

Published Nov 10, 2023 · Updated Sep 3, 2024

Denial of service in IBM AIX 7.3's Python implementation allows local users to interrupt service through an undisclosed flaw. IBM has not disclosed the affected Python function, the input that reaches it, or the resource operation that fails. Exploitation requires local access but no elevated privilege; IBM does not specify whether the result is a hang, crash, or broader outage.

CVSS severity6.2
Medium
EPSS probability0.25%
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 IBM AIX 7.3's Python implementation allows local users to interrupt service through an undisclosed flaw. IBM has not disclosed the affected Python function, the input that reaches it, or the resource operation that fails. Exploitation requires local access but no elevated privilege; IBM does not specify whether the result is a hang, crash, or broader outage.

The record

CVE
CVE-2023-45167
Published
Nov 10, 2023
Updated
Sep 3, 2024
Vendor
IBM
Product
AIX
Classifications
CWE-20, CWE-400, T1499
Attack vector
local
Privileges
Unavailable

Timeline

How it unfolded

  1. Nov 10, 2023CVE publishedPublication date reported by the CVE source.
  2. Sep 3, 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=7.3

What conditions does exploitation require?

Attack vectorlocal
Required privilegesUnavailable in this record.

What is affected?

IBM · AIXversion=7.3

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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
PrivilegesUnavailable
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-20Improper Input Validation
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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