CVE-2020-14859: Oracle WebLogic Server T3 Protocol Deserialization of Untrusted Data Remote Code Execution Vulnerability
First published: Wed Oct 21 2020(Updated: )
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Oracle WebLogic. Authentication is not 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 execute code in the context of the service account.
Credit: secalert_us@oracle.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Oracle WebLogic Server | =10.3.6.0.0 | |
| Oracle WebLogic Server | =12.1.3.0.0 | |
| 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-2020-14859?
CVE-2020-14859 has a critical severity rating due to its ability to allow remote code execution without authentication.
How do I fix CVE-2020-14859?
To mitigate CVE-2020-14859, apply the latest security patches provided by Oracle for affected versions of WebLogic Server.
What products are affected by CVE-2020-14859?
CVE-2020-14859 affects various versions of Oracle WebLogic Server, including 10.3.6.0.0, 12.1.3.0.0, 12.2.1.3.0, 12.2.1.4.0, and 14.1.1.0.0.
Can CVE-2020-14859 be exploited remotely?
Yes, CVE-2020-14859 can be exploited remotely, allowing attackers to execute arbitrary code on vulnerable installations.
Is authentication required to exploit CVE-2020-14859?
No, authentication is not required to exploit CVE-2020-14859, making it particularly dangerous.
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