CVE-2021-2047

published 2021-01-20

CVE-2021-2047: Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core Components). Supported versions that are affected are…

Priority P2 66 critical 9.8 CVSS 3.1

AV N AC L PR N UI N S U C H I H A H

Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core Components). Supported versions that are affected are 10.3.6.0.0, 12.1.3.0.0, and 12.2.1.3.0. 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 Oracle WebLogic Server. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

Affected

6 ranges

Vendor	Product	Version range	Fixed in
oracle	weblogic_server	—	—
oracle	weblogic_server	—	—
oracle	weblogic_server	—	—
oracle_corporation	weblogic_server	—	—
oracle_corporation	weblogic_server	—	—
oracle_corporation	weblogic_server	—	—

Detection & IOCs extracted from sources · hover to see the quote

• → Monitor for unauthenticated exploitation attempts over IIOP and T3 protocols targeting Oracle WebLogic Server Core Components ↗
• → Affected versions to prioritize for detection/patching: WebLogic 10.3.6.0.0, 12.1.3.0.0, and 12.2.1.3.0 ↗

• · Exploitation is possible over both IIOP and T3 protocols; blocking or restricting these protocols at the network perimeter for untrusted sources is a key mitigation ↗
• · This is a remotely exploitable, unauthenticated vulnerability with no user interaction required, making it high priority for network-level controls ↗

CVSS provenance

nvd v3.1 9.8 CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

nvd v2.0 7.5 HIGH AV:N/AC:L/Au:N/C:P/I:P/A:P

vendor_oracle 9.8 CRITICAL

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