#VU53996 Deserialization of Untrusted Data in Checkov - CVE-2021-3040

Vulnerability identifier: #VU53996

Vulnerability risk: Medium

CVSSv4.0: 6.1 [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/E:U/U:Green]

CVE-ID: CVE-2021-3040

CWE-ID: CWE-502

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Checkov
Universal components / Libraries / Software for developers

Vendor: Bridgecrew

Description

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. 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.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Checkov: 2.0.0 - 2.0.138

---

External links
https://security.paloaltonetworks.com/CVE-2021-3040

---

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.