CVE-2020-2555Oracle Multiple Products Remote Code Execution Vulnerability

Vulnerability in the Oracle Coherence product of Oracle Fusion Middleware (component: Caching,CacheStore,Invocation). Supported versions that are affected are 3.7.1.0, 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 T3 to compromise Oracle Coherence. Successful attacks of this vulnerability can result in takeover of Oracle Coherence. 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).

9.8 CRITICALEPSS 97.11%⚡ Known Exploited (CISA KEV)NVD: Analyzed

Last updated: 2026-06-17 03:12 UTC

OverviewCVSS details

9.8CRITICALCVSS 3.1

Score source: NVD
NVD status: Analyzed
Published: Jan 15, 2020
Assigner: oracle

Affected

WebCenter Portal (Oracle Corporation)

Versions: 12.2.1.3.0 · 12.2.1.4.0

+1 more product →

Exploitation

Public exploit: Yes · 3 references
CISA KEV: Listed · Nov 3, 2021
KEV due date: May 3, 2022
Ransomware use: Unknown
SSVC: Exploitation active · Automatable yes · Impact total

EPSS · FIRST, scored Nov 7

97.11%chance of exploitation in 30 days

Higher than 99.89% of CVEs

CVSS 3.1 · NVD

9.8Critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack vector: Network
Attack complexity: Low
Privileges required: None
User interaction: None
Scope: Unchanged
Confidentiality impact: High
Integrity impact: High
Availability impact: High

CVSS 3.0 · oracle (CNA)

9.8Critical

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack vector: Network
Attack complexity: Low
Privileges required: None
User interaction: None
Scope: Unchanged
Confidentiality impact: High
Integrity impact: High
Availability impact: High

CVSS 2.0 · NVD

7.5High

AV:N/AC:L/Au:N/C:P/I:P/A:P

Attack vector: Network
Attack complexity: Low
Authentication: None
Confidentiality impact: Partial
Integrity impact: Partial
Availability impact: Partial

NVD status: Analyzed

Overview Affected Products References

NVD CVE.org

Overview

Severity

Score	Severity	Version	Vector String
9.8	CRITICAL	3.1NVD	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.8	CRITICAL	3.0oracle (CNA)	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
7.5	HIGH	2.0NVD	AV:N/AC:L/Au:N/C:P/I:P/A:P

CISA required action

⚡ Known exploited · remediation due May 3, 2022

Apply updates per vendor instructions.

Details

CVE ID: CVE-2020-2555
Status: Analyzed
Assigner (CNA): oracle
Published: Jan 15, 2020
Last modified: 2026-06-17 03:12 UTC
Weaknesses: CWE-502

Sources

Refreshed hourly from the sources above. Last fetched 2026-11-08 08:40 UTC.