CVE-2021-2071Network attack vector

Unauthenticated application takeover

Published Jan 20, 2021 · Updated Sep 26, 2024

An Elasticsearch flaw in Oracle PeopleSoft PeopleTools 8.56 through 8.58 allows remote attackers to take over the application via HTTP. Oracle identifies the affected locus only as the Elasticsearch component and has not published the malformed operation or request that triggers the flaw. No credentials or user interaction are required, but exploitation has high complexity and grants control of the PeopleTools application.

CVSS severity8.1
High
EPSS probability1.58%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

An Elasticsearch flaw in Oracle PeopleSoft PeopleTools 8.56 through 8.58 allows remote attackers to take over the application via HTTP. Oracle identifies the affected locus only as the Elasticsearch component and has not published the malformed operation or request that triggers the flaw. No credentials or user interaction are required, but exploitation has high complexity and grants control of the PeopleTools application.

The record

CVE
CVE-2021-2071
Published
Jan 20, 2021
Updated
Sep 26, 2024
Vendor
Oracle Corporation
Product
PeopleSoft PeopleTools
Classifications
T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jan 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=8.56
  2. Affected versionversion=8.57
  3. Affected versionversion=8.58

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Oracle Corporation · PeopleSoft PeopleToolsversion=8.56; version=8.57; version=8.58

Published CVSS scores

6.8NIST NVDAV:N/AC:M/Au:N/C:P/I:P/A:P
8.1OracleCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

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.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 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.

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Technologies

Your stack

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Your stack

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