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CVE-2020-2555

Oracle Multiple Products Remote Code Execution Vulnerability

  • Critical 9.8
  • Exploited: added to CISA KEV 3 Nov 2021

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).

Key facts

Published
15 Jan 2020
Last changed
21 Oct 2025
Assigned by
oracle
KEV added
3 Nov 2021
KEV fix due
3 May 2022
EPSS
97.116% likely to be exploited in the next 30 days, higher than 99.894% of CVEs (scores for 15 Nov 2026)
SSVC (CISA)
Exploitation: active; Automatable: yes; Technical impact: total

Severity scores

Each score is shown as its source gave it. They are not averaged or merged.

  • 9.8CVSS 3.0, Criticalfrom the CNA (oracle)CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

What to do

  • Apply updates per vendor instructions.CISA KEV required action

Historical context and remediation

This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.

No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.

Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.

Read the original CVE record.

Affected products

VendorProductVersions
Oracle CorporationWebCenter Portal
  • 12.2.1.3.0 (affected)
  • 12.2.1.4.0 (affected)
Oracle CorporationUtilities Framework
  • 4.2.0.2.0 (affected)
  • 4.2.0.3.0 (affected)
  • 4.3.0.1.0-4.3.0.6.0 (affected)
  • 4.4.0.0.0 (affected)
  • 4.4.0.2.0 (affected)

Timeline

  1. 15 Jan 2020 Published
  2. 3 Nov 2021 CVE-2020-2555 added to CISA KEV
  3. 3 Nov 2021 Added to the CISA KEV catalogue

Weakness

References