CVE-2021-22017

medium · 5.3Actively exploited

On the CISA Known Exploited Vulnerabilities catalog

Apply updates per vendor instructions.

Added 2022-01-10Remediation due 2022-01-24

A public exploit / detection template exists

Weaponised detection is publicly available, which meaningfully raises real-world risk regardless of CVSS. nuclei-templates →

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

49.2%

EPSS (exploit prob.)

99th

EPSS percentile

2021-09-23

Published

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Affected products

Vendor	Product	Affected versions
vmware	vcenter_server	6.7

Check a specific version with /api/v1/cve/match.

References

https://www.vmware.com/security/advisories/VMSA-2021-0020.html
https://www.vmware.com/security/advisories/VMSA-2021-0020.html
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-22017

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2021-22017