CVE-2021-22017

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.

CVSS v3.1

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

CVSS v3.1

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

CVSS v2.0

5.0 MEDIUMAV:N/AC:L/Au:N/C:P/I:N/A:N

EPSS

49.18% chance of exploitation in the next 30 days, 99th percentile

CISA KEV

added 2022-01-10

Nuclei

medium

Published

2021-09-23

Updated

2025-10-21

Nuclei templates (1)

• projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-22017.yaml

References

• CVE Record
• NVD entry

Related

• CVE-2021-22015
• CVE-2021-22053
• CVE-2021-22006
• CVE-2021-22054
• CVE-2021-22005
• CVE-2021-22119