CVE-2021-22017

high-risk
Published 2021-09-23

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.

Do I need to act?

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74.8% chance of exploitation in next 30 days
EPSS score — higher than 25% of all CVEs
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CISA KEV: actively exploited in the wild
On the Known Exploited Vulnerabilities catalog — federal agencies must patch
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.3/10 Medium
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Vmware

References (3)

Patch https://www.vmware.com/security/advisories/VMSA-2021-0020.html
Patch https://www.vmware.com/security/advisories/VMSA-2021-0020.html
US Government Resource https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-...
52
/ 100
high-risk
Severity 21/34 · High
Exploitability 26/34 · High
Exposure 5/34 · Minimal