CVE-2020-2883 on CISA KEV

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

01What CISA says about this vulnerability

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…

02Required action — verbatim from CISA

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

03Notes & references

• www.oracle.com — https://www.oracle.com/security-alerts/cpuapr2020.html
• www.zerodayinitiative.com — https://www.zerodayinitiative.com/advisories/ZDI-20-504/
• www.zerodayinitiative.com — https://www.zerodayinitiative.com/advisories/ZDI-20-570/
• packetstormsecurity.com — http://packetstormsecurity.com/files/157950/WebLogic-Server-Deserialization-Remo…

04SARA's analyst layer — why this matters

This vulnerability is currently on the CISA KEV list, which CISA only adds CVEs to when there is reliable evidence of active exploitation in the wild. For federal civilian agencies, BOD 22-01 requires remediation by the due date above. For everyone else, KEV is the strongest "patch immediately" signal you can get from public threat intel.

05Affected products (summary)

Vendor	Product	Versions
Oracle Corporation	WebLogic Server	10.3.6.0.0, 12.1.3.0.0, 12.2.1.3.0, 12.2.1.4.0

06Detection

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