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CVE Record

CVE-2021-2377: Vulnerability in the PeopleSoft Enterprise PeopleTools product of Oracle PeopleSoft (component: SQR).

Vulnerability in the PeopleSoft Enterprise PeopleTools product of Oracle PeopleSoft (component: SQR). Supported versions that are affected are 8.57, 8.58 and 8.59. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise PeopleSoft Enterprise PeopleTools. Successful attacks of this vulnerability can result in unauthorized read access to a subset of PeopleSoft Enterprise PeopleTools accessible data. CVSS 3.1 Base Score 4.3 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N).

MediumCVSS 4.3Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2021-2377 affects Oracle PeopleSoft Enterprise PeopleTools SQR in versions 8.57, 8.58, and 8.59. A low-privileged user with HTTP access could read some PeopleTools data they should not see. The business impact is confidentiality-focused, not system takeover or outage based on the provided sources.

Executive priority

Treat as a scheduled remediation item unless PeopleSoft is broadly exposed or contains sensitive business data. Prioritize patch validation for internet-reachable or high-sensitivity environments, because the issue enables unauthorized data access by low-privileged users.

Technical view

Oracle describes an easily exploitable PeopleTools SQR vulnerability reachable over HTTP with low privileges and no user interaction. The CVSS 3.1 score is 4.3: AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N. Successful exploitation may allow unauthorized read access to a subset of accessible PeopleTools data.

Likely exposure

Exposure is most likely where PeopleSoft Enterprise PeopleTools 8.57, 8.58, or 8.59 is deployed and reachable over HTTP by authenticated low-privileged users. Internet exposure increases concern, but the provided sources do not confirm typical deployment patterns or exploit prevalence.

Exploitation context

The provided bundle does not show CISA KEV listing or any cited active exploitation. Risk is still relevant because Oracle says the issue is easily exploitable over the network by a low-privileged attacker without user interaction.

Researcher notes

The public record names the SQR component but does not provide CWE details, vulnerable code paths, proof-of-concept status, or granular fixed versions in the bundle. Avoid assuming exploit mechanics beyond Oracle’s stated HTTP, low-privilege, confidentiality-only impact.

Mitigation direction

  • Review Oracle July 2021 Critical Patch Update guidance for PeopleSoft PeopleTools SQR.
  • Apply Oracle-supported updates or fixes for affected PeopleTools versions.
  • Restrict PeopleSoft HTTP access to trusted networks and required users.
  • Review low-privileged account access to PeopleTools functions.
  • Monitor vendor advisories for version-specific remediation details.

Validation and detection

  • Inventory PeopleSoft Enterprise PeopleTools deployments and record exact versions.
  • Confirm whether versions 8.57, 8.58, or 8.59 are present.
  • Check whether PeopleSoft HTTP endpoints are reachable beyond trusted networks.
  • Verify Oracle July 2021 CPU remediation status for each instance.
  • Review logs for unusual authenticated PeopleTools or SQR access patterns.
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-2021-2377 mapping review

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Vulnerability profileCVE Program record
Severity
Medium
CVSS
4.3 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/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
4.3CVSS 3.1MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N2.81.4Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

4.3Medium
CVSS 3.1 vector shape for CVE-2021-2377Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/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 PT PeopleTools8.57, 8.58, 8.59Listed
Weakness

CWE details

No CWE listed

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