#VU53672 Permissions, Privileges, and Access Controls in Pivotal Spring Framework - CVE-2021-22118

Vulnerability identifier: #VU53672

Vulnerability risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-22118

CWE-ID: CWE-264

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Pivotal Spring Framework
Server applications / Frameworks for developing and running applications

Vendor: Pivotal

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to application does not properly impose security restrictions in the WebFlux application, which leads to security restrictions bypass and privilege escalation.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Pivotal Spring Framework: 5.2.0 - 5.2.14, 5.3.0 - 5.3.6

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External links
https://tanzu.vmware.com/security/cve-2021-22118

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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