CVE-2021-1994

published 2021-01-20

CVE-2021-1994: Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Web Services). Supported versions that are affected are 10.3.6.0.0…

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: Web Services). Supported versions that are affected are 10.3.6.0.0 and 12.1.3.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP 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

5 ranges

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

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

• → Vulnerability is exploitable over HTTP with no authentication required (network access, no privileges, no user interaction) — monitor for unauthenticated HTTP requests targeting Oracle WebLogic Server Web Services endpoints on affected versions 10.3.6.0.0 and 12.1.3.0.0 ↗
• → Scope of impact is full server takeover (C/I/A all HIGH) — any anomalous process spawning or configuration changes on WebLogic instances should be treated as high-priority indicators of successful exploitation ↗

• · Only Oracle WebLogic Server versions 10.3.6.0.0 and 12.1.3.0.0 are confirmed affected; detection and patching efforts should be scoped to these specific versions ↗
• · The vulnerable component is specifically the 'Web Services' component of Oracle WebLogic Server within Oracle Fusion Middleware — focus monitoring on Web Services traffic/endpoints ↗

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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