Home/CVE/Oracle Multiple Products Remote Code Execution Vulnerability
CVE

CVE-2020-2555

Oracle 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).

CRITICAL · CVSS 9.8 ⚠ CISA KEV EPSS 0.93141
Act now
  • Listed on CISA KEV (known exploited in the wild)
  • SSVC exploitation status: active
  • EPSS ≥ 0.50 - high probability of exploitation in the next 30 days
  • EPSS percentile: top 0% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬢

Required Remediation

Apply updates per vendor instructions.

⬡

Weakness Classification

CWE-502Deserialization of Untrusted Data
CWE-502Deserialization of Untrusted Data
▤

Affected Products & Versions

11
oracle access managerall versions
oracle coherenceall versions
oracle commerce platform>= 11.3.0 and <= 11.3.2
oracle commerce platformall versions
oracle communications diameter signaling router>= 8.0.0 and <= 8.2.2
oracle healthcare data repositoryall versions
oracle rapid planningall versions
oracle retail assortment planningall versions
⚠

Public Exploits & PoCs

5
remoteWebLogic Server - Deserialization RCE - BadAttributeValueExpException (Metasploit)verified
webappsOracle WebLogic Server 12.2.1.4.0 - Remote Code Execution2020-04-14
pocpacketstormsecurity.com · Oracle-Coherence-Fusion-Middleware-Remote-Code-Execution....packetstormsecurity.com
pocpacketstormsecurity.com · Oracle-WebLogic-Server-12.2.1.4.0-Remote-Code-Execution.htmlpacketstormsecurity.com
pocpacketstormsecurity.com · WebLogic-Server-Deserialization-Remote-Code-Execution.htmlpacketstormsecurity.com
◈

Detection Rules (IDS/IPS)

1
et-openET EXPLOIT Oracle Coherence Deserialization RCE (CVE-2020-2555)attempted-admin
Open rulesets (ET Open, Snort Community, abuse.ch) link to source. Commercial rulesets are reference-only.
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.1 · secalert_us@oracle.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD15 Jan 2020 · 05:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
active
Automatable
yes
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

1
cisaKEV-CVE-2020-2555
🔗

References & Sources

6
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://www.oracle.com/security-alerts/cpujan2020.htmlVendor Advisory
https://www.oracle.com/security-alerts/cpujan2021.htmlVendor Advisory
https://www.oracle.com/security-alerts/cpujul2020.htmlVendor Advisory
https://www.oracle.com/security-alerts/cpujul2021.htmlPatchVendor Advisory
https://www.oracle.com/security-alerts/cpuoct2020.htmlPatchVendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-2555US Government Resource
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