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Critical Severity|Oracle
76
SVRS
7.5
CVSSv3
0.48244
EPSS
TAGS
In The WildExploit AvaliableCISA KEV
VECTOR STRING
CVSS:3.1AV:NAC:LPR:NUI:NS:UC:HI:NA:N
PUBLICATION DATE2024-07-16
LAST MODIFIED2026-06-01
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Security Intelligence Brief
1. What is this vulnerability and why does it matter?
This is a critical vulnerability, CVE-2024-21182, affecting the Core component of Oracle WebLogic Server within Oracle Fusion Middleware. It is easily exploitable by an unauthenticated attacker who has network access via the T3 or IIOP protocols. This vulnerability is significant because successful exploitation can result in unauthorized access to critical data or complete access to all data accessible by the Oracle WebLogic Server, severely impacting the confidentiality of sensitive information. The existence of published active exploits further increases its importance and the urgency for remediation.
2. What are the CVSS score, severity level, and disclosure details?
The CVSS 3.1 Base Score for this vulnerability is 7.5. Based on this score, the severity level is classified as High. The CVSS Vector is AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N, indicating a network-based attack, low attack complexity, no privileges required, no user interaction, an unchanged scope, and a high impact on confidentiality. The vulnerability was published on 2024-07-16 22:40:11 and last modified on 2026-06-01 19:32:02.
3. Which products, vendors, systems, and versions are affected?
- Vendor: Oracle
- Product: Oracle WebLogic Server (component: Core)
- System: Oracle Fusion Middleware
- Affected Versions:
- 12.2.1.4.0
- 14.1.1.0.0
4. What is the technical root cause and attack vector?
The technical root cause is a vulnerability within the Core component of Oracle WebLogic Server. The specific nature of the flaw is not detailed in the provided data, but it allows for remote compromise. The primary attack vectors are network access via the T3 and IIOP protocols. These protocols are typically used for inter-application communication and remote object access in WebLogic environments.
5. How can this vulnerability be exploited?
This vulnerability can be exploited by an unauthenticated attacker with network access to the affected Oracle WebLogic Server. The exploitation occurs by sending specially crafted requests over the T3 or IIOP protocols. Due to its "easily exploitable" nature and the fact that active exploits have been published, an attacker does not require complex techniques or prior authentication to compromise the server. Successful exploitation grants unauthorized access to critical data or full access to all data the WebLogic Server can reach.
6. What mitigation steps and patches are available?
Specific mitigation steps or direct patch availability are not detailed in the provided CVE data. However, Oracle typically releases Critical Patch Updates (CPUs) that address such vulnerabilities. Administrators of affected Oracle WebLogic Server versions 12.2.1.4.0 and 14.1.1.0.0 should consult official Oracle security advisories and apply the latest available patches relevant to CVE-2024-21182 immediately. Restricting network access to T3 and IIOP ports from untrusted sources can also help reduce the attack surface.
7. How can vulnerable systems be detected?
Vulnerable systems can be detected by identifying the installed versions of Oracle WebLogic Server. Any instance running version 12.2.1.4.0 or 14.1.1.0.0 is susceptible to this vulnerability. Organizations should inventory their WebLogic installations and check their version numbers. Additionally, network scanning tools can be configured to identify exposed T3 and IIOP ports on WebLogic servers, which are prerequisites for exploitation.
8. What are the indicators of compromise (IOCs)?
Indicators of Compromise (IOCs) for this vulnerability would primarily involve observations related to unauthorized data access. These may include:
- Unauthorized access or modification of critical data hosted or managed by the WebLogic Server.
- Unusual or unexpected outbound network connections from the WebLogic Server.
- Presence of unfamiliar files or processes on the server.
- Suspicious activity in WebLogic server logs, particularly related to T3 or IIOP protocol handling from untrusted sources.
- High CPU or network utilization not corresponding to legitimate operations.
9. Which threat actors are known to exploit this vulnerability?
The provided CVE data does not specify any particular threat actors known to exploit CVE-2024-21182. However, given that active exploits have been published, it is reasonable to assume that a wide range of opportunistic and targeted threat actors, including both state-sponsored and financially motivated groups, may leverage this vulnerability.
10. What public intelligence references and advisories exist?
The primary public intelligence reference is CVE-2024-21182 itself, which provides the foundational details. Oracle's official security advisories and Critical Patch Updates (CPUs) are the authoritative sources for vendor-specific information, patches, and further technical details related to this vulnerability in Oracle WebLogic Server. The mention of "active exploits have been published" also indicates that public exploit code and analysis may be available through various security research platforms and communities.
11. What is the risk assessment and urgency level?
The risk assessment for CVE-2024-21182 is High. This is due to its CVSS 3.1 Base Score of 7.5, which indicates significant impact. The vulnerability allows for unauthenticated, network-based exploitation with low attack complexity, leading to complete confidentiality compromise. The urgency level is also High and immediate. The fact that the vulnerability is "easily exploitable" and "active exploits have been published" means that systems running affected versions are at a very high and immediate risk of compromise. Organizations should prioritize patching and mitigation efforts for all affected Oracle WebLogic Server instances.
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