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CVE Record

CVE-2020-2553: Vulnerability in the Oracle Knowledge product of Oracle Knowledge (component: Information Manager Console).

Vulnerability in the Oracle Knowledge product of Oracle Knowledge (component: Information Manager Console). Supported versions that are affected are 8.6.0-8.6.3. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Knowledge. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Knowledge accessible data as well as unauthorized read access to a subset of Oracle Knowledge accessible data. CVSS 3.0 Base Score 4.8 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N).

MediumCVSS 4.8Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2020-2553 affects Oracle Knowledge Information Manager Console. An unauthenticated attacker with HTTP network access could make limited unauthorized changes to Oracle Knowledge data and read some accessible data. Oracle rates exploitation as difficult, and the CVSS score is 4.8, so urgency depends heavily on exposure and data sensitivity.

Executive priority

Prioritize remediation in the normal security patch cycle, escalating if the console is internet-facing or contains sensitive operational knowledge. The main business risk is limited data tampering and disclosure, not service outage.

Technical view

Oracle Knowledge versions 8.6.0 through 8.6.3 are affected. The issue is remotely reachable over HTTP, requires no privileges or user interaction, but has high attack complexity. Impact is limited confidentiality and integrity compromise with no stated availability impact. No CWE is provided in the source bundle.

Likely exposure

Exposure is likely limited to organizations running Oracle Knowledge 8.6.0-8.6.3, especially where the Information Manager Console is reachable over internal or external HTTP networks.

Exploitation context

The source bundle does not show CISA KEV listing or cited active exploitation. Oracle describes exploitation as difficult. Treat internet-facing consoles and sensitive knowledge repositories as higher priority despite the medium score.

Researcher notes

The public data identifies product, component, affected versions, CVSS vector, and impact class, but not root cause details or exploit indicators. Avoid assuming exploit availability, specific payloads, or a non-Oracle workaround beyond access restriction and vendor patch guidance.

Mitigation direction

  • Identify Oracle Knowledge deployments and confirm whether versions 8.6.0-8.6.3 are present.
  • Review Oracle April 2020 CPU guidance and apply the listed Oracle Knowledge security updates.
  • Restrict HTTP access to the Information Manager Console to trusted administrative networks.
  • Monitor Oracle Knowledge data changes for unexpected updates, inserts, deletes, or reads.
  • Engage Oracle support if patch applicability or supported upgrade paths are unclear.

Validation and detection

  • Confirm the installed Oracle Knowledge version against the affected 8.6.0-8.6.3 range.
  • Verify Oracle April 2020 CPU or later relevant fixes are applied.
  • Check whether the Information Manager Console is reachable from untrusted networks.
  • Review application logs for unusual unauthenticated access or data modification patterns.
  • Validate that administrative access controls and network restrictions remain enforced.
Prepared
Confidence
medium
Sources
3

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

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CVE-2020-2553 mapping review

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Vulnerability profileCVE Program record
Severity
Medium
CVSS
4.8 (3.0)
Known Exploited
No
Published

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
4.8CVSS 3.0MediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N2.22.5Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

4.8Medium
CVSS 3.0 vector shape for CVE-2020-2553Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
Oracle CorporationKnowledge8.6.0-8.6.3Listed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.