CVE-2021-22050

mediumpriority · track · 31EPSS 0.023 · 83 %ileEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

2.32% (83rd) EPSS

CVSS 5 · medium

Is it mine?

11 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-24

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

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–7.5

v2.05mediumAV:N/AC:L/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 10 · impact 2.9

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.17.5highAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · FSTEC (BDU) RU

v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-770USprimaryCWE-399US

affected products (11)

Products and version ranges known to be affected.

n/a VMware ESXi and VMware Cloud Foundation≤ VMware ESXi(7.0 U3 before ESXi70U3c-19193900, ESXi 6.7 ESXi670-202111101-SG and ESXi 6.5 before ESXi650-202110101-SG) and VMware Cloud Foundation (4.x before 4.4 and 3.x before 3.11)enisa_euvdEU
Broadcom Inc. VMware Cloud Foundation3.0 → 3.11fstec_bduRU
Broadcom Inc. VMware Cloud Foundation4.0 → KB87646 (4.4)fstec_bduRU
Broadcom Inc. VMware ESXi6.5 → ESXi650-202110101-SGfstec_bduRU
Broadcom Inc. VMware ESXi6.7 → ESXi670-202111101-SGfstec_bduRU
Broadcom Inc. VMware ESXi7.0 → ESXi70U3c-19193900fstec_bduRU
vmware cloud foundation3.0 → 3.11nvdUScpe:2.3:a:vmware:cloud_foundation:*:*:*:*:*:*:*:*
vmware cloud foundation4.0 → 4.4nvdUScpe:2.3:a:vmware:cloud_foundation:*:*:*:*:*:*:*:*
vmware esxi= 6.5nvdUScpe:2.3:o:vmware:esxi:*:*:*:*:*:*:*:*
vmware esxi= 6.7nvdUScpe:2.3:o:vmware:esxi:*:*:*:*:*:*:*:*
vmware esxi= 7.0nvdUScpe:2.3:o:vmware:esxi:*:*:*:*:*:*:*:*

also known as (5)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2022-02-16modified 2026-06-17

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+3235 more

references (7)

External citations — patches, advisories, analysis.

scry

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