CVE-2021-2404Network attack vector

Unauthenticated reading and modification of application data

Published Jul 20, 2021 · Updated Sep 26, 2024

An undisclosed flaw in Oracle PeopleSoft Candidate Gateway 9.2 allows remote attackers to read and modify application data via HTTP. Oracle identifies the e-mail notification component but has not published the flawed operation or the input that reaches it. No authentication or user interaction is required; impact is limited to reading a subset of accessible data and updating, inserting, or deleting some accessible data.

CVSS severity6.5
Medium
EPSS probability0.92%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

An undisclosed flaw in Oracle PeopleSoft Candidate Gateway 9.2 allows remote attackers to read and modify application data via HTTP. Oracle identifies the e-mail notification component but has not published the flawed operation or the input that reaches it. No authentication or user interaction is required; impact is limited to reading a subset of accessible data and updating, inserting, or deleting some accessible data.

The record

CVE
CVE-2021-2404
Published
Jul 20, 2021
Updated
Sep 26, 2024
Vendor
Oracle Corporation
Product
PeopleSoft Candidate Gateway
Classifications
T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jul 20, 2021CVE publishedPublication date reported by the CVE source.
  2. Sep 26, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=9.2

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Oracle Corporation · PeopleSoft Candidate Gatewayversion=9.2

Published CVSS scores

6.5Oracle CorporationCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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