Vulnerability Details : 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.
Products affected by CVE-2021-22017
- cpe:2.3:a:vmware:vcenter_server:6.7:-:*:*:*:*:*:*
CVE-2021-22017 is in the CISA Known Exploited Vulnerabilities Catalog
CISA vulnerability name:
VMware vCenter Server Improper Access Control
CISA required action:
Apply updates per vendor instructions.
CISA description:
Rhttproxy as used in vCenter Server contains a vulnerability due to improper implementation of URI normalization.
Notes:
https://nvd.nist.gov/vuln/detail/CVE-2021-22017
Added on
2022-01-10
Action due date
2022-01-24
Exploit prediction scoring system (EPSS) score for CVE-2021-22017
6.21%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 94 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-22017
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:P/I:N/A:N |
10.0
|
2.9
|
NIST | |
5.3
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
3.9
|
1.4
|
134c704f-9b21-4f2e-91b3-4a467353bcc0 | 2025-01-29 |
5.3
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
3.9
|
1.4
|
NIST |
References for CVE-2021-22017
-
https://www.vmware.com/security/advisories/VMSA-2021-0020.html
VMSA-2021-0020Patch;Vendor Advisory
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