Spring - RCE (CVE-2022-22965)

CVE-2022-22965 is a critical remote code execution vulnerability impacting certain Spring MVC and Spring WebFlux applications through insecure data binding on Java 9 and newer environments. Applications deployed as Tomcat WAR files are particularly at risk to this type of attack.

CrowdSec has been tracking this vulnerability and its exploits since 9th of April 2022.

Based on data from the CrowdSec network, nearly all observed exploitation of CVE-2022-22965 is fully opportunistic, with attackers indiscriminately scanning the entire internet. These attacks are automated and lack any form of target selection or reconnaissance. CrowdSec data also reveals a clear uptick in attacks involving CVE-2022-22965 over the past week. Activity is above the usual baseline, suggesting growing attention from attackers. This may reflect rising awareness, recent exploit releases, or expanded targeting efforts.

Observed attacks typically attempt to exploit applications running in susceptible Java environments through maliciously crafted web requests targeting WAR deployments.