Attackers target vulnerable WebLogic servers
Known exploited vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware. This vulnerability allows an unauthenticated attacker with network access via T3, IIOP, to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in unauthorized access to critical data on the Oracle WebLogic Server and the confidentiality impact of the vulnerability is rated as "High". Learn More »
Common Vulnerabilities and Exposures
Background
Oracle WebLogic Server is a unified and extensible platform for developing, deploying and running enterprise applications, such as Java, for on-premises and in the cloud. In the previous years, we have seen some other vulnerabilities namely, CVE-2018-3252, CVE-2020-14645 and CVE-2020-2883 in the Oracle WebLogic Server. FortiGuard Labs provided IPS signature protections against these flaws in 2018 and 2020 respectively. According to the IPS telemetry, we can see the attacks are still active in 2023. Go to Additional Resources for full Threat Encyclopedia.
Latest Development
Recent news and incidents related to cybersecurity threats encompassing various events such as data breaches, cyber-attacks, security incidents, and vulnerabilities discovered.
January, 2023: Oracle released a critical patch update advisory. The affected versions of Oracle WebLogic server include 12.2.1.3.0, 12.2.1.4.0, 14.1.1.0.0.
https://www.oracle.com/security-alerts/cpujan2023.html
May 1, 2023: CISA added CVE-2023-21839 in CISA's Known Exploited Vulnerabilities Catalog (KEV).
May 2, 2023: FortiGuards Labs released a Threat Signal on the vulnerability
https://www.fortiguard.com/threat-signal-report/5154
FortiGuard Labs has released an IPS signature to detect and block attack attempts targeting vulnerable Oracle WebLogic Server and also recommends organizations to review and patch affected versions as recommended in the vendor advisory.
FortiGuard Cybersecurity Framework
Mitigate security threats and vulnerabilities by leveraging the range of FortiGuard Services.
-
Lure
-
Decoy VM
-
IPS
-
Post-execution
-
Outbreak Detection
-
Threat Hunting
-
Content Update
-
Assisted Response Services
-
Automated Response
-
InfoSec Services
-
Attack Surface Monitoring (Inside & Outside)
Threat Intelligence
Information gathered from analyzing ongoing cybersecurity events including threat actors, their tactics, techniques, and procedures (TTPs), indicators of compromise (IOCs), malware and related vulnerabilities.
Loading ...
References
Sources of information in support and relation to this Outbreak and vendor.