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Servers and applications

CVE-2020-2883

Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core). Supported versions that are affected are 10.3.6.0.0, 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 IIOP, T3 to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in takeover of…

Actively exploited: CISA added it to its Known Exploited Vulnerabilities catalog on 7 Jan 2025.

Severity
Critical 9.8
Published
15 Apr 2020
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
Oracle WebLogic ServerServers and applications · cpe:a:oracle:weblogic_server
  • Version 10.3.6.0.0
  • Version 12.1.3.0.0
  • Version 12.2.1.3.0
  • Version 12.2.1.4.0

Known exploited

CISA name
Oracle WebLogic Server Unspecified Vulnerability
Required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Due for US agencies
28 Jan 2025
Used in ransomware
Not known

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2020-2883
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2020-2883