Insecure deserialization in Oracle WebLogic Server - CVE-2019-2725

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Main Vulnerability Database Vulnerabilities #VU18354

Insecure deserialization in Oracle WebLogic Server - CVE-2019-2725

Published: April 26, 2019 / Updated: February 20, 2022


Vulnerability identifier: #VU18354
CSH Severity: High
CVSS v4.0: 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-2019-2725
CWE-ID: CWE-502
Exploitation vector: Remote access
Exploit availability: The vulnerability is being exploited in the wild
Vendor: Oracle
Affected software:
Oracle WebLogic Server

Detailed vulnerability description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to insecure deserialization of untrusted data within the "wls9_async_response.war" and "wls-wsat.war" components. A remote non-authenticated attacker can send a specially crafted HTTP request to "/_async/*" and "/wls-wsat/*" URLs and execute arbitrary code on the target system.


How to mitigate CVE-2019-2725

Install patch from vendor's website.

Sources