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CVE Record

CVE-2020-2859: Vulnerability in the PeopleSoft Enterprise PeopleTools product of Oracle PeopleSoft (component: nVision).

Vulnerability in the PeopleSoft Enterprise PeopleTools product of Oracle PeopleSoft (component: nVision). Supported versions that are affected are 8.56, 8.57 and 8.58. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise PeopleSoft Enterprise PeopleTools. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of PeopleSoft Enterprise PeopleTools. CVSS 3.0 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).

HighCVSS 7.5Not KEV-listedUpdated
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Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

This is an availability flaw in Oracle PeopleSoft PeopleTools nVision. An unauthenticated remote attacker with HTTP access could make affected PeopleTools systems hang or crash repeatedly, causing a complete denial of service. The known impact is service disruption, not data theft or data modification.

Executive priority

Treat this as a high-priority availability risk for business-critical PeopleSoft deployments. It does not indicate data compromise in the provided sources, but unauthenticated denial of service against HR, finance, or ERP workflows can create material operational disruption.

Technical view

CVE-2020-2859 affects PeopleSoft Enterprise PeopleTools nVision in supported versions 8.56, 8.57, and 8.58. CVSS 3.0 is 7.5: network attack vector, low complexity, no privileges, no user interaction, high availability impact, and no stated confidentiality or integrity impact.

Likely exposure

Exposure is likely limited to organizations running Oracle PeopleSoft PeopleTools 8.56, 8.57, or 8.58 with HTTP access to affected PeopleTools functionality. Internet-facing or broadly reachable PeopleSoft environments carry higher operational risk because authentication is not required.

Exploitation context

The provided sources do not show CISA KEV listing or active exploitation evidence. The vulnerability is described as easily exploitable over HTTP by an unauthenticated network attacker, with repeatable crash or hang as the stated outcome.

Researcher notes

Focus validation on affected PeopleTools versions, nVision exposure, HTTP reachability, and patch state against Oracle April 2020 CPU guidance. The source material does not provide CWE details, exploit artifacts, or a named workaround beyond vendor security guidance.

Mitigation direction

  • Check Oracle April 2020 CPU guidance for the applicable PeopleTools fix.
  • Prioritize affected PeopleSoft systems reachable from the internet or untrusted networks.
  • Restrict HTTP access to PeopleSoft administration and reporting interfaces where possible.
  • Monitor PeopleSoft availability and repeated crash patterns until remediation is complete.

Validation and detection

  • Inventory PeopleSoft Enterprise PeopleTools versions across production and non-production environments.
  • Confirm whether versions 8.56, 8.57, or 8.58 are present.
  • Identify whether nVision-related PeopleTools functionality is reachable over HTTP.
  • Verify Oracle CPU remediation status through patch records or platform configuration evidence.
Prepared
Confidence
high
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-2020-2859 mapping review

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Vulnerability profileCVE Program record
Severity
High
CVSS
7.5 (3.0)
Known Exploited
No
Published

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

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
7.5CVSS 3.0HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H3.93.6Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

7.5High
CVSS 3.0 vector shape for CVE-2020-2859Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

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 CorporationPeopleSoft Enterprise PT PeopleTools8.56, 8.57, 8.58Listed
Weakness

CWE details

No CWE listed

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