CVE-2020-2550

High-privilege local data disclosure and modification

Published Jan 15, 2020 · Updated Sep 30, 2024

An unspecified WLS Core Components flaw in affected Oracle WebLogic Server releases allows local users to read and alter server data. Oracle has not published the flawed function, operation, or input that causes the unauthorized access. Exploitation requires a high-privilege logon to the hosting infrastructure and grants complete read access to WebLogic-accessible data plus modification or deletion of some data.

CVSS severity5.1
Medium
EPSS probability0.53%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

An unspecified WLS Core Components flaw in affected Oracle WebLogic Server releases allows local users to read and alter server data. Oracle has not published the flawed function, operation, or input that causes the unauthorized access. Exploitation requires a high-privilege logon to the hosting infrastructure and grants complete read access to WebLogic-accessible data plus modification or deletion of some data.

The record

CVE
CVE-2020-2550
Published
Jan 15, 2020
Updated
Sep 30, 2024
Vendor
Oracle Corporation
Product
Oracle WebLogic Server
Classifications
T1005, T1565.001
Attack vector
local
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?

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

  1. Affected versionversion=10.3.6.0.0
  2. Affected versionversion=12.1.3.0.0
  3. Affected versionversion=12.2.1.3.0
  4. Affected versionversion=12.2.1.4.0

What conditions does exploitation require?

Attack vectorlocal
Required privilegesadmin

What is affected?

Oracle Corporation · Oracle WebLogic Serverversion=10.3.6.0.0; version=12.1.3.0.0; version=12.2.1.3.0; version=12.2.1.4.0

Published CVSS scores

3.6NIST NVDAV:L/AC:L/Au:N/C:P/I:P/A:N
5.1OracleCVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:N
5.1NIST NVDCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/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)
Vectorlocal
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1005Data from Local System
T1565.001Stored Data Manipulation

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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