CVE-2021-35552Network attack vector

Unauthenticated data modification via undisclosed Diagnostics flaw

Published Oct 20, 2021 · Updated Sep 25, 2024

Improper access control in Oracle WebLogic Server Diagnostics 12.2.1.3.0, 12.2.1.4.0 and 14.1.1.0.0 allows remote attackers to alter data via HTTP. Oracle has not published the affected Diagnostics endpoint or the input-handling operation behind the unauthorized writes. No credentials or user interaction are required; successful requests can update, insert, or delete some server-accessible data.

CVSS severity5.3
Medium
EPSS probability1.08%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper access control in Oracle WebLogic Server Diagnostics 12.2.1.3.0, 12.2.1.4.0 and 14.1.1.0.0 allows remote attackers to alter data via HTTP. Oracle has not published the affected Diagnostics endpoint or the input-handling operation behind the unauthorized writes. No credentials or user interaction are required; successful requests can update, insert, or delete some server-accessible data.

The record

CVE
CVE-2021-35552
Published
Oct 20, 2021
Updated
Sep 25, 2024
Vendor
Oracle Corporation
Product
Oracle WebLogic Server
Classifications
T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Oct 20, 2021CVE publishedPublication date reported by the CVE source.
  2. Sep 25, 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=12.2.1.3.0
  2. Affected versionversion=12.2.1.4.0
  3. Affected versionversion=14.1.1.0.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Oracle Corporation · Oracle WebLogic Serverversion=12.2.1.3.0; version=12.2.1.4.0; version=14.1.1.0.0

Published CVSS scores

5.3Oracle CorporationCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/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.

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

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.

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Technologies

Your stack

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Your stack

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