CVE-2020-2801 — Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core)

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CRITICAL

Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core)

Published Apr 15, 2020

9.8

CRITICAL

CVSS 3.1

EPSS 2.57%

Description

Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core). 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, T3 to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in takeover of Oracle WebLogic Server. Note: The patch for this issue will address the vulnerability only if the WLS instance is using JDK 1.7.0_191 or later, or JDK 1.8.0_181 or later. 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).

Affected products

Vendor Oracle Corporation Product WebLogic Server Default
n/a
- Version
  10.3.6.0.0
  Status
  affected
  Constraints
  -
- Version
  12.1.3.0.0
  Status
  affected
  Constraints
  -
- Version
  12.2.1.3.0
  Status
  affected
  Constraints
  -
- Version
  12.2.1.4.0
  Status
  affected
  Constraints
  -

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

Oracle Corporation

WebLogic Server

n/a

Version	Status	Constraints
10.3.6.0.0	affected	-
12.1.3.0.0	affected	-
12.2.1.3.0	affected	-
12.2.1.4.0	affected	-

Remediation

No remediation recorded yet.

Metrics

2.57% 0.02569

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.

EPSS probability 0.02569

Score over time

2021–2026

EPSS v1
EPSS v5
EPSS v2
EPSS v3
EPSS v4

Percentile over time

EPSS v1
EPSS v5
EPSS v2
EPSS v3
EPSS v4

Table of values (17 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 3, 2026	2.57% (0.02569)	84.63th	v5 (v2026.06.15)
Jun 15, 2026	2.57% (0.02569)	83.07th	v5 (v2026.06.15)
Nov 22, 2025	5.41% (0.05411)	89.70th	v4 (v2025.03.14)
Nov 21, 2025	9.23% (0.09227)	92.38th	v4 (v2025.03.14)
Nov 18, 2025	4.83% (0.04832)	88.45th	v4 (v2025.03.14)
Jun 29, 2025	9.23% (0.09227)	92.31th	v4 (v2025.03.14)
Mar 30, 2025	6.92% (0.06924)	90.52th	v4 (v2025.03.14)
Mar 29, 2025	68.78% (0.68776)	98.11th	v4 (v2025.03.14)
Mar 17, 2025	6.92% (0.06924)	90.73th	v4 (v2025.03.14)
Dec 12, 2024	4.64% (0.04636)	92.88th	v3 (v2023.03.01)
Sep 3, 2023	4.64% (0.04636)	91.55th	v3 (v2023.03.01)
May 8, 2023	5.46% (0.05465)	91.96th	v3 (v2023.03.01)
Mar 7, 2023	4.40% (0.04397)	91.07th	v3 (v2023.03.01)
Mar 6, 2023	49.39% (0.49393)	98.66th	v2 (v2022.01.01)
Feb 4, 2022	49.39% (0.49393)	98.19th	v2 (v2022.01.01)
Feb 3, 2022	1.95% (0.01953)	49.98th	v5 (v2026.06.15)
Apr 14, 2021	1.95% (0.01953)	0.00th	v1

Weaknesses (0)

No CWE recorded.

References (1)

https://www.oracle.com/security-alerts/cpuapr2020.html
x_refsource_MISCVendor Advisory

Link	Providers	Tags
https://www.oracle.com/security-alerts/cpuapr2020.html		x_refsource_MISCVendor Advisory

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner oracle

Published Apr 15, 2020

Updated Sep 30, 2024

Reserved Dec 10, 2019

Link CVE-2020-2801

CISA Vulnrichment

Updated Sep 30, 2024

NVD

Status Modified

Modified Jun 17, 2026

Link CVE-2020-2801

Red Hat

Severity n/a

Public date n/a

Links CVE-2020-2801