Is CVE-2020-2555 actively exploited?

CVE-2020-2555 has no public evidence of in-the-wild exploitation as of 2025-10-27.

What is the CVSS score for CVE-2020-2555?

CVE-2020-2555 has a CVSS score of 9.8 (CRITICAL severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

How do I patch CVE-2020-2555?

Patch guidance is available from oracle security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2020-2555.

Fix CVE-2020-2555 - CRITICAL oracle access manager

Q: Which products are affected by CVE-2020-2555?

22 products: oracle access manager, oracle coherence, oracle coherence, oracle coherence, oracle coherence, and 17 more.

Description

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).

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-502 · Insecure Deserialization CWE-502 · Insecure Deserialization

Metadata

Primary Vendor: ORACLE
Published: 1/15/2020
Last Modified: 10/27/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

oracle : access_manageroracle : coherenceoracle : coherenceoracle : coherenceoracle : coherenceoracle : commerce_platformoracle : commerce_platformoracle : commerce_platformoracle : commerce_platformoracle : communications_diameter_signaling_routeroracle : healthcare_data_repositoryoracle : rapid_planningoracle : rapid_planningoracle : retail_assortment_planningoracle : retail_assortment_planningoracle : utilities_frameworkoracle : utilities_frameworkoracle : utilities_frameworkoracle : utilities_frameworkoracle : utilities_frameworkoracle : webcenter_portaloracle : webcenter_portal

Remediation Guidance

Executive Summary

View on NIST NVD