CVE-2021-2211: Oracle WebLogic Server T3 Protocol Deserialization of Untrusted Data Information Disclosure Vulnerability
First published: Thu Apr 22 2021(Updated: )
This vulnerability allows remote attackers to disclose sensitive information on affected installations of Oracle WebLogic Server. Authentication is required to exploit this vulnerability. The specific flaw exists within the handling of the T3 protocol. Crafted data in a T3 protocol message can trigger the deserialization of untrusted data. An attacker can leverage this vulnerability to disclose information in the context of the service account.
Credit: secalert_us@oracle.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Oracle WebLogic Server | ||
| Oracle WebLogic Server | =10.3.6.0.0 | |
| Oracle WebLogic Server | =12.2.1.3.0 | |
| Oracle WebLogic Server | =12.2.1.4.0 | |
| Oracle WebLogic Server | =14.1.1.0.0 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2021-2211?
CVE-2021-2211 is rated as a high severity vulnerability due to its potential to disclose sensitive information.
How do I fix CVE-2021-2211?
To mitigate CVE-2021-2211, apply the latest security patches provided by Oracle for affected versions of WebLogic Server.
Which versions of Oracle WebLogic Server are affected by CVE-2021-2211?
CVE-2021-2211 affects Oracle WebLogic Server versions 10.3.6.0.0, 12.2.1.3.0, 12.2.1.4.0, and 14.1.1.0.0.
What type of attacks can exploit CVE-2021-2211?
CVE-2021-2211 can be exploited by remote attackers who can provide crafted data over the T3 protocol.
Is authentication required to exploit CVE-2021-2211?
Yes, authentication is required to exploit CVE-2021-2211.
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