Critical Vulnerability in Oracle WebLogic Server (CVE-2024-21182) Allows Unauthenticated Data Access

🇬🇧 English Version

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TL;DR

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A high-severity vulnerability (CVE-2024-21182) in Oracle WebLogic Server allows unauthenticated attackers to access critical data remotely. Affected versions: 12.2.1.4.0 and 14.1.1.0.0. Oracle has released patches in the July 2024 Critical Patch Update. Immediate patching is recommended.

What Happened

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Oracle released its July 2024 Critical Patch Update, which includes a fix for CVE-2024-21182, a vulnerability in Oracle WebLogic Server. This flaw can be exploited by unauthenticated attackers via T3 or IIOP protocols to gain unauthorized access to sensitive data.

Technical Details

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• CVE ID: CVE-2024-21182
• Component: Core
• Affected Versions: 12.2.1.4.0, 14.1.1.0.0
• Attack Vector: Network (T3, IIOP)
• Privileges Required: None
• User Interaction: None
• CVSS Score: 7.5 (High)
• CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
• Weakness Type: NVD-CWE-noinfo (Insufficient Information)

The vulnerability is easily exploitable and does not require authentication. An attacker with network access can compromise the server and access all data accessible to WebLogic Server.

Impact & Risk

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Successful exploitation leads to unauthorized disclosure of critical data, potentially exposing sensitive information. The confidentiality impact is high, while integrity and availability are not affected. Given the ease of exploitation and the lack of required privileges, this vulnerability poses a significant risk to affected systems.

Mitigation / Recommendations

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1. Apply Patches: Immediately apply the Oracle Critical Patch Update for July 2024.
2. Restrict Network Access: Limit T3 and IIOP access to trusted networks only.
3. Monitor Logs: Check for signs of exploitation.
4. Review CISA KEV: This CVE is listed in CISA’s Known Exploited Vulnerabilities catalog, indicating active exploitation.

References

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• Oracle Critical Patch Update July 2024
• CISA Known Exploited Vulnerabilities

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