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CVE Record

CVE-2020-2956: Vulnerability in the Oracle Human Resources product of Oracle E-Business Suite (component: Hierarchy Diagra...

Vulnerability in the Oracle Human Resources product of Oracle E-Business Suite (component: Hierarchy Diagrammers). Supported versions that are affected are 12.1.1-12.1.3 and 12.2.3-12.2.9. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Human Resources. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Human Resources accessible data as well as unauthorized access to critical data or complete access to all Oracle Human Resources accessible data. CVSS 3.0 Base Score 8.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N).

HighCVSS 8.1Not KEV-listedUpdated
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Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

CVE-2020-2956 is a high-severity Oracle E-Business Suite Human Resources flaw. A low-privileged attacker who can reach the application over HTTP could read or change critical HR data. The issue affects specific 12.1 and 12.2 releases and should be treated as a data confidentiality and integrity risk.

Executive priority

Prioritize remediation for affected HR systems because the issue can expose or alter sensitive employee data without requiring high privileges. Business risk is strongest where HR data is regulated, sensitive, or widely reachable by internal users.

Technical view

The vulnerability affects Oracle Human Resources in Oracle E-Business Suite, component Hierarchy Diagrammers, versions 12.1.1-12.1.3 and 12.2.3-12.2.9. CVSS 3.0 is 8.1: AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N. The source describes unauthorized access, creation, deletion, or modification of HR data via HTTP.

Likely exposure

Exposure is likely where affected Oracle E-Business Suite Human Resources versions are deployed and reachable over HTTP by authenticated low-privileged users. Internet exposure is not stated in the sources; confirm actual network reachability and access paths internally.

Exploitation context

The CVE is not listed as KEV in the provided bundle, and no cited source states active exploitation. The vulnerability is described as easily exploitable with low privileges, network access via HTTP, and no user interaction.

Researcher notes

Focus validation on version, component exposure, authentication level, and patch state. The documented impact is confidentiality and integrity compromise of Oracle Human Resources data; availability impact is not indicated. Avoid assuming exploit activity beyond the provided sources.

Mitigation direction

  • Review Oracle April 2020 Critical Patch Update guidance for this CVE.
  • Apply applicable Oracle E-Business Suite Human Resources fixes from Oracle.
  • Restrict HTTP access to trusted users and networks while remediation is pending.
  • Review low-privileged account access to Oracle Human Resources functions.

Validation and detection

  • Inventory Oracle E-Business Suite Human Resources versions in production and test.
  • Confirm whether versions 12.1.1-12.1.3 or 12.2.3-12.2.9 are present.
  • Verify Oracle April 2020 CPU or later relevant fixes are applied.
  • Check whether Hierarchy Diagrammers functionality is reachable over HTTP.
  • Review HR data audit logs for unauthorized read or modification patterns.
Prepared
Confidence
high
Sources
4

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-2020-2956 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

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Vulnerability profileCVE Program record
Severity
High
CVSS
8.1 (3.0)
Known Exploited
No
Published

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/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
3Source 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
8.1CVSS 3.0HighCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N2.85.2Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

8.1High
CVSS 3.0 vector shape for CVE-2020-2956Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/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 CorporationHuman Resources12.1.1-12.1.3, 12.2.3-12.2.9Listed
Weakness

CWE details

No CWE listed

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