Vulnerability in Oracle Corporation Weblogic Server
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 unauthen…
EPSS: 0.944 (100.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Oracle Corporation Weblogic Server — versions 10.3.6.0.0, 12.1.3.0.0, 12.2.1.3.0
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Public proof-of-concept exploits
References
- www.oracle.com/security-alerts/cpuapr2020.html (x_refsource_MISC)
- www.zerodayinitiative.com/advisories/ZDI-20-504/ (x_refsource_MISC)
- www.zerodayinitiative.com/advisories/ZDI-20-570/ (x_refsource_MISC)
- packetstormsecurity.com/files/157950/WebLogic-Server-Deserialization-Remote-Cod… (x_refsource_MISC)
Frequently asked questions
- What is CVE-2020-2883?
- CVE-2020-2883 is a critical-severity vulnerability in Oracle Corporation Weblogic Server. CVSS score: 9.8/10. Published 2020-04-15.
- How severe is CVE-2020-2883?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2020-2883 known to be exploited?
- Yes. CVE-2020-2883 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2025-01-07), indicating it is being actively exploited. 141 public proof-of-concept repositories are indexed.