CVE-2020-2551

CRITICAL

9.8

CVSS Score

Published: January 15, 2020 at 04:34 PM UTC

Updated: June 17, 2026 at 03:12 AM UTC

1 product affected across 1 vendorWebLogic Server

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Severity

CRITICAL9.8

Exploitation

CISA KEV

Exploit prediction

EPSS 93%

SSVC

Active

Actively Exploited

CISA Known Exploited Vulnerabilities (KEV) Catalog

EPSS Score92.8%

EPSS (Exploit Prediction Scoring System) estimates a 92.8% chance this CVE is exploited in the wild within the next 30 days — higher than 100% of all CVEs. It complements CVSS: a high EPSS on a mid-severity CVE can still be urgent.

Oracle Fusion Middleware contains an unspecified vulnerability in the WLS Core Components that allows an unauthenticated attacker with network access via IIOP to compromise the WebLogic Server.

Required Action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Ransomware Use

Unknown

Added to KEV

Nov 16, 2023

Remediation Due

Dec 7, 2023

1059 days overdue

Notes

https://www.oracle.com/security-alerts/cpujan2020.html

https://nvd.nist.gov/vuln/detail/CVE-2020-2551

Description

Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: WLS Core Components). Supported versions that are affected are 10.3.6.0.0, 12.1.3.0.0, 12.2.1.3.0 and 12.2.1.4.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via IIOP to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in takeover of Oracle WebLogic Server. CVSS 3.0 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).