CVE-2020-2553Network attack vector

Unauthenticated reading and modification of application data

Published Apr 15, 2020 · Updated Sep 30, 2024

Unspecified flaw in Oracle Knowledge Management 8.6.0 through 8.6.3 allows remote attackers to read and modify application data via HTTP. Oracle has not published the nature of the flaw in the Information Manager Console or the incorrect operation performed on request data. Exploitation requires no authentication or user interaction but has high complexity, and exposure is limited to a subset of accessible data.

CVSS severity4.8
Medium
EPSS probability0.97%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Unspecified flaw in Oracle Knowledge Management 8.6.0 through 8.6.3 allows remote attackers to read and modify application data via HTTP. Oracle has not published the nature of the flaw in the Information Manager Console or the incorrect operation performed on request data. Exploitation requires no authentication or user interaction but has high complexity, and exposure is limited to a subset of accessible data.

The record

CVE
CVE-2020-2553
Published
Apr 15, 2020
Updated
Sep 30, 2024
Vendor
Oracle
Product
Oracle Knowledge Management
Classifications
T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Apr 15, 2020CVE publishedPublication date reported by the CVE source.
  2. Sep 30, 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=8.6.0-8.6.3

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Oracle · Oracle Knowledge Managementversion=8.6.0-8.6.3

Published CVSS scores

4.8OracleCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
5.8NVDAV:N/AC:M/Au:N/C:P/I:P/A:N
4.8NVDCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/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.

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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)
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.

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Technologies

Your stack

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Your stack

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