Deserialization of Untrusted Data in IntelliJ IDEA - CVE-2021-25758
Published: February 3, 2021 / Updated: February 5, 2021
Vulnerability identifier: #VU50376
CSH Severity: Medium
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-25758
CWE-ID: CWE-502
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to execute arbitrary code on the target system.
The vulnerability exists due to insecure input validation when processing serialized data of the workspace model. A remote user 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.
Affected software
IntelliJ IDEA
How to mitigate CVE-2021-25758
Install updates from vendor's website.
IntelliJ IDEA - update to 2020.3