CVE-2021-22017

Known Exploited

Description

Rhttproxy as used in vCenter Server contains a vulnerability due to improper implementation of URI normalization. A malicious actor with network access to port 443 on vCenter Server may exploit this issue to bypass proxy leading to internal endpoints being accessed.

5.3

CVSS

Severity: Medium

CVSS 3.1 •

CVSS 2.0 •

EPSS 82.68% Top 5%

KEV Since

Vendor Advisory vmware.com

Affected: n/a VMware vCenter Server, VMware Cloud Foundation

References

Link	Tags
https://www.vmware.com/security/advisories/VMSA-2021-0020.html	patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-22017?: CVE-2021-22017 has been scored as a medium severity vulnerability.
How to fix CVE-2021-22017?: To fix CVE-2021-22017, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-22017 being actively exploited in the wild?: It is confirmed that CVE-2021-22017 is actively exploited. Be extra cautious if you are using vulnerable components. According to its EPSS score, there is a ~83% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-22017?: CVE-2021-22017 affects n/a VMware vCenter Server, VMware Cloud Foundation.

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