Deserialization of Untrusted Data in Apache Storm - CVE-2021-40865

 

Deserialization of Untrusted Data in Apache Storm - CVE-2021-40865

Published: November 20, 2021 / Updated: November 29, 2021


Vulnerability identifier: #VU58269
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:P/U:Amber
CVE-ID: CVE-2021-40865
CWE-ID: CWE-502
Exploitation vector: Remote access
Exploit availability: Public exploit is available
Vendor: Apache Foundation
Affected software:
Apache Storm

Detailed vulnerability 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 data in the worker services. A remote non-authenticated attacker can send specially crafted request to the server and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


How to mitigate CVE-2021-40865

Install updates from vendor's website.

Sources