#VU27477 Deserialization of Untrusted Data in Oracle WebLogic Server - CVE-2020-2883
Published: May 1, 2020 / Updated: January 7, 2025
Vulnerability identifier: #VU27477
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Amber
CVE-ID: CVE-2020-2883
CWE-ID: CWE-502
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vulnerable software:
Oracle WebLogic Server
Oracle WebLogic Server
Software vendor:
Oracle
Oracle
Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to insecure input validation when processing serialized T3 Protocol data in the Oracle WebLogic Server. A remote attacker can pass specially crafted data to the application and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install updates from vendor's website.