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CVE Record

CVE-2021-2421: Vulnerability in the PeopleSoft Enterprise CS Campus Community product of Oracle PeopleSoft (component: Int...

Vulnerability in the PeopleSoft Enterprise CS Campus Community product of Oracle PeopleSoft (component: Integration and Interfaces). Supported versions that are affected are 9.0 and 9.2. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise PeopleSoft Enterprise CS Campus Community. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all PeopleSoft Enterprise CS Campus Community accessible data. CVSS 3.1 Base Score 6.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N).

MediumCVSS 6.5Not KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2021-2421 is a data-exposure risk in Oracle PeopleSoft Enterprise CS Campus Community. A low-privileged attacker who can reach the system over HTTP could gain unauthorized access to critical or all accessible Campus Community data. The sources do not show active exploitation.

Executive priority

Treat this as a scheduled but meaningful confidentiality issue. Prioritize remediation for internet-facing, broadly accessible, or sensitive student-data environments, especially where low-privileged accounts are numerous.

Technical view

Oracle describes an easily exploitable PeopleSoft Enterprise CS Campus Community Integration and Interfaces vulnerability affecting supported versions 9.0 and 9.2. CVSS 3.1 is 6.5: network, low complexity, low privileges, no user interaction, unchanged scope, high confidentiality impact only.

Likely exposure

Exposure is most likely in organizations running PeopleSoft Enterprise CS Campus Community 9.0 or 9.2 where HTTP access is reachable by authenticated low-privileged users.

Exploitation context

The CVE states exploitation is possible via HTTP by a low-privileged attacker without user interaction. CISA KEV status is false in the bundle, and no cited source confirms active exploitation.

Researcher notes

No CWE is listed in the source bundle, and technical root-cause details are not provided. The strongest source-grounded facts are affected product versions, HTTP attack vector, low privileges, and high confidentiality impact.

Mitigation direction

  • Review Oracle’s July 2021 Critical Patch Update for CVE-2021-2421 guidance.
  • Apply the relevant Oracle-supported PeopleSoft remediation for affected 9.0 or 9.2 deployments.
  • Limit HTTP access to PeopleSoft interfaces to trusted users and networks where feasible.
  • Audit low-privileged accounts with access to Campus Community interfaces.
  • Monitor Oracle advisories for any later product-specific guidance.

Validation and detection

  • Inventory PeopleSoft Enterprise CS Campus Community instances and versions.
  • Confirm whether versions 9.0 or 9.2 are deployed.
  • Check whether the Integration and Interfaces component is exposed over HTTP.
  • Verify Oracle July 2021 CPU remediation status for each instance.
  • Review logs for unusual low-privileged access to Campus Community data.
Prepared
Confidence
medium
Sources
3

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-2021-2421 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
Medium
CVSS
6.5 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/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
6.5CVSS 3.1MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N2.83.6Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

6.5Medium
CVSS 3.1 vector shape for CVE-2021-2421Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/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 CorporationPeopleSoft Enterprise CS Campus Community9.0, 9.2Listed
Weakness

CWE details

No CWE listed

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