High severity · published Feb 16, 2022
CVE-2021-22050
ESXi contains a slow HTTP POST denial-of-service vulnerability in rhttpproxy
7.5
CVSS
2.3%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.3% · higher than 83% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ES
ESXi · VMware
6.5; 6.7; 6.7; 6.7; 6.7; 6.7; +34 more · source: NVD
CF
Cloud Foundation · Vmware
3.0 before 3.11; 4.0 before 4.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-22050
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-22050
Patch
https://www.vmware.com/security/advisories/VMSA-2022-0004.html
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