All vulnerabilities
CVE-2020-2883

Oracle WebLogic Server Unspecified Vulnerability

Oracle WebLogic ServerWeb servers
Open in ThreatlineRecord JSON
CVSS
9.8Critical
ExploitationExploited in the wildAdded to KEV 7 Jan 2025CISA KEV
Exploit odds (EPSS)94.6%Chance of exploitation activity in the next 30 days, higher than 99% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
Federal deadline28 Jan 2025Remediation due date for US federal agenciesCISA KEV
CISA required actionApply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. CISA KEV

What fixes it

No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.

Timeline

  1. 15 Apr 2020, 13:29 UTCPublishedCVE List
  2. 30 Apr 2020Exploit code publicMetasploit
  3. 7 Jan 2025Added to CISA KEVCISA KEV

Public exploit code and templates 2

  • Exploit moduleWebLogic Server Deserialization RCE BadAttributeValueExpException ExtComp 30 Apr 2020Metasploit
  • Scanner templateOracle WebLogic Server - Remote Code ExecutionNuclei

Listed so defenders can prioritize. Threatline links to the source and does not host exploit code.

Description

Oracle WebLogic Server, a product within the Fusion Middleware suite, contains an unspecified vulnerability exploitable by an unauthenticated attacker with network access via IIOP or T3.

Text from CVE List

Affected versions 4

  • WebLogic Serveraffected: 10.3.6.0.0CVE List
  • WebLogic Serveraffected: 12.1.3.0.0CVE List
  • WebLogic Serveraffected: 12.2.1.3.0CVE List
  • WebLogic Serveraffected: 12.2.1.4.0CVE List

References 5