CVE-2023-36494

Sensitive-data exposure via audit log insertion

Published Aug 2, 2023 · Updated Oct 11, 2024

Sensitive-data exposure in F5OS-A 1.4.0 through versions before 1.5.0 allows local users with high privileges to read audit logs. The audit logging subsystem writes undisclosed sensitive values into records that administrators can inspect or export. Exploitation requires local access and high privileges; impact is limited to confidentiality, with no reported modification or interruption.

CVSS severity4.4
Medium
EPSS probability0.19%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Sensitive-data exposure in F5OS-A 1.4.0 through versions before 1.5.0 allows local users with high privileges to read audit logs. The audit logging subsystem writes undisclosed sensitive values into records that administrators can inspect or export. Exploitation requires local access and high privileges; impact is limited to confidentiality, with no reported modification or interruption.

The record

CVE
CVE-2023-36494
Published
Aug 2, 2023
Updated
Oct 11, 2024
Vendor
F5 Networks
Product
F5OS-A
Classifications
CWE-532, T1005
Attack vector
local
Privileges
admin

Timeline

How it unfolded

  1. Aug 2, 2023CVE publishedPublication date reported by the CVE source.
  2. Oct 11, 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=1.4.0 <1.5.0

What conditions does exploitation require?

Attack vectorlocal
Required privilegesadmin

What is affected?

F5 Networks · F5OS-Aversion=1.4.0 <1.5.0

Published CVSS scores

4.4F5 NetworksCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

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
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-532Insertion of Sensitive Information into Log File
T1005Data from Local System

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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