Vulnerability identifier: #VU61756
Vulnerability risk: Critical
Exploitation vector: Network
Exploit availability: Yes
Pivotal Spring Framework
Server applications / Frameworks for developing and running applications
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to improper input validation. A remote attacker can send a specially crafted HTTP request to the affected application and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Note, the vulnerability is being actively exploited in the wild.
This vulnerability was dubbed "Spring4Shell".
Install update from vendor's website.
Vulnerable software versions
Pivotal Spring Framework: 6.0.0-M1 - 6.0.0-M3, 5.3.0 - 5.3.17, 5.2.0 - 5.2.19, 5.1.0 - 5.1.20, 5.0.0 - 5.0.20
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
Yes. This vulnerability is being exploited in the wild.