VulnerabilityModified
CVE-2021-22050
ESXi contains a slow HTTP POST denial-of-service vulnerability in rhttpproxy.
HIGH 7.5EPSS 2.32%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.32%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
ESXi contains a slow HTTP POST denial-of-service vulnerability in rhttpproxy. A malicious actor with network access to ESXi may exploit this issue to create a denial-of-service condition by overwhelming rhttpproxy service with multiple requests.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 2.32% probability · 82th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-770
- Affected
- vmware/cloud foundation · vmware/esxi
- Source
- security@vmware.com
References
- https://www.vmware.com/security/advisories/VMSA-2022-0004.htmlPatch, Vendor Advisory
- https://www.vmware.com/security/advisories/VMSA-2022-0004.htmlPatch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.