Reference page — cumulative record through Thursday, October 8, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
CVE-2020-2551
Oracle Fusion Middleware
AV AC PR UI S C I A CVSS EPSS %ile KEV
N L N N U H H H 9.8 .9322 99.8 YES
AFFECTED
Product Versions Fixed
WebLogic Server 10.3.6.0.0 – —
TIMELINE
Dec 10 Reserved by oracle
Jan 15 Published (CNA: oracle)
Nov 16 Added to CISA KEV, remediation due 2023-12-07
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).
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
| December 10, 2019 | Reserved | Reserved by oracle |
| January 15, 2020 | Published | Published (CNA: oracle) |
| November 16, 2023 | KEV ADDED | Added to CISA KEV, remediation due 2023-12-07 |
Affected
Affected products and packages — 1 row
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
| Oracle Corporation | WebLogic Server | — | 10.3.6.0.0 | — |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2020-2551 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Thursday, October 8, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.