CVE-2020-2548Network attack vector

Privileged data access via WLS Core Components

Published Jan 15, 2020 · Updated Sep 30, 2024

Authentication and authorization vulnerability in Oracle WebLogic Server 10.3.6.0.0 allows remote authenticated users to modify and read accessible server data via HTTP. Oracle identifies WLS Core Components as the locus but has not disclosed the specific coding error or request operation that mishandles untrusted input. Exploitation requires high privileges and interaction from another person, limiting impact to unauthorized reads and updates of a subset of server-accessible data.

CVSS severity4.8
Medium
EPSS probability0.85%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Authentication and authorization vulnerability in Oracle WebLogic Server 10.3.6.0.0 allows remote authenticated users to modify and read accessible server data via HTTP. Oracle identifies WLS Core Components as the locus but has not disclosed the specific coding error or request operation that mishandles untrusted input. Exploitation requires high privileges and interaction from another person, limiting impact to unauthorized reads and updates of a subset of server-accessible data.

The record

CVE
CVE-2020-2548
Published
Jan 15, 2020
Updated
Sep 30, 2024
Vendor
Oracle Corporation
Product
Oracle WebLogic Server
Classifications
T1190
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Jan 15, 2020CVE publishedPublication date reported by the CVE source.
  2. Sep 30, 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?

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  1. Affected versionversion=10.3.6.0.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Oracle Corporation · Oracle WebLogic Serverversion=10.3.6.0.0

Published CVSS scores

4.8Oracle CorporationCVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/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
Privilegesadmin
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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