UpHeron
All vulnerabilities

Servers and applications

CVE-2020-2551

Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: WLS Core Components). 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 to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in…

Actively exploited: CISA added it to its Known Exploited Vulnerabilities catalog on 16 Nov 2023.

Severity
Critical 9.8
Published
15 Jan 2020
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
93% in the next 30 daysHigher than 99% of CVEs. EPSS by FIRST, 10 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 Fusion Middleware Unspecified Vulnerability
Required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Due for US agencies
7 Dec 2023
Used in ransomware
Not known

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2020-2551
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2020-2551