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Weekly Signal
Live intelligence Updated 19 Aug 2026 · 20:27 UTC

Oracle · Access Manager, Coherence, Commerce Platform +7 more

CVE-2020-2555

Oracle Multiple Products Remote Code Execution Vulnerability

Recommended action

Treat this as an immediate remediation priority. Apply updates per vendor instructions.

View response plan
CVSS9.8
EPSS97.1%
KEVYes
ExploitationConfirmed exploitation
PatchPatch or guidance available ↓

Assessment

Why it matters

CISA lists this vulnerability as known to be exploited; exploitation is confirmed; EPSS is 97.1%; technical severity is CVSS 9.8.

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).

Who should care

  • Teams operating Access Manager, Coherence, Commerce Platform +7 more
  • Vulnerability and exposure management teams
  • Security operations teams monitoring exploitation activity

Response plan

What I would do

  1. Confirm whether Access Manager, Coherence, Commerce Platform +7 more is present in the environment.
  2. Identify affected versions and establish whether vulnerable services are exposed or reachable.
  3. Apply updates per vendor instructions.
  4. Review relevant security telemetry for evidence of attempted or successful exploitation.
  5. Document the remediation decision and track it to verified completion.

Vendor remediation

Patch and remediation links

Use the vendor source below to confirm the correct fixed version, package or mitigation for your affected product.

Technical details

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
CWE-502
Affected versions
Oracle Access Manager (Version: 11.1.2.3.0); Oracle Coherence (Version: 12.2.1.4.0); Oracle Commerce Platform (Version: 11.2.0); Oracle Communications Diameter Signaling Router (Start Including: 8.0.0, End Including: 8.2.2); Oracle Healthcare Data Repository (Version: 7.0.1); Oracle Multiple Products; Oracle Rapid Planning (Version: 12.2); Oracle Retail Assortment Planning (Version: 16.0)
Published
15 January 2020
Attack vector
Network
Privileges required
None
User interaction
None

Signal timeline

  1. CVE published
  2. Added to CISA KEV
  3. Latest EPSS score: 97.1%
  4. Signal calculated at 85

External references

Live public intelligence This assessment combines public-source evidence. Validate the affected product, version and exposure against your own environment before making a risk decision.