CVE-2024-20940Network attack vector

Unauthenticated data disclosure and modification

Published Jan 16, 2024 · Updated Jun 20, 2025

An undisclosed flaw in Oracle Knowledge Management 12.2.3 through 12.2.13 allows remote attackers to read and alter data over HTTP. Oracle identifies the affected locus only as the Create, Update, Authoring Flow component and has not published the incorrect operation on untrusted input. Exploitation requires interaction by a person other than the attacker and can affect data accessible through additional products.

CVSS severity6.1
Medium
EPSS probability0.17%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

An undisclosed flaw in Oracle Knowledge Management 12.2.3 through 12.2.13 allows remote attackers to read and alter data over HTTP. Oracle identifies the affected locus only as the Create, Update, Authoring Flow component and has not published the incorrect operation on untrusted input. Exploitation requires interaction by a person other than the attacker and can affect data accessible through additional products.

The record

CVE
CVE-2024-20940
Published
Jan 16, 2024
Updated
Jun 20, 2025
Vendor
Oracle
Product
Oracle Knowledge Management
Classifications
T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jan 16, 2024CVE publishedPublication date reported by the CVE source.
  2. Jun 20, 2025Record 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=12.2.3 <=12.2.13

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Oracle · Oracle Knowledge Managementversion=12.2.3 <=12.2.13

Published CVSS scores

6.1OracleCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/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.

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

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1190Exploit Public-Facing Application

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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