CVE-2021-22006

mediumpriority · track · 42EPSS 0.066 · 94 %ileexploit · PoCEURUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

6.61% (94th) EPSS

CVSS 5 · medium

Is it mine?

9 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-23

The vCenter Server contains a reverse proxy bypass vulnerability due to the way the endpoints handle the URI. A malicious actor with network access to port 443 on vCenter Server may exploit this issue to access restricted endpoints.

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:P/I:N/A:Nprimary · NVD / NIST USexploitability 10 · impact 2.9

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

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

v3.17.1highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:Psecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-285US

exploits (1)

Public proof-of-concept and weaponised exploit code.

CrackerCat/CVE-2021-22006CVE-2021-22005 - VMWare vCenter Server File Upload to RCEPoC · poc_in_github

affected products (9)

Products and version ranges known to be affected.

n/a VMware vCenter Server, VMware Cloud Foundation≤ VMware vCenter Server(7.x before 7.0 U2c and 6.7 before 6.7 U3o) and VMware Cloud Foundation (4.x before 4.3 and 3.x before 3.10.2.2)enisa_euvdEU
Broadcom Inc. VMware Cloud Foundation3.0 → 3.10.2.2fstec_bduRU
Broadcom Inc. VMware Cloud Foundation4.0 → 4.3fstec_bduRU
Broadcom Inc. VMware vCenter Server6.7 → 6.7 U3ofstec_bduRU
Broadcom Inc. VMware vCenter Server7.0 → 7.0 U2cfstec_bduRU
Dell Technologies VxRail4.7.0 → 4.7.536fstec_bduRU
vmware cloud foundation3.0 → 5.0nvdUScpe:2.3:a:vmware:cloud_foundation:*:*:*:*:*:*:*:*
vmware vcenter server= 6.7nvdUScpe:2.3:a:vmware:vcenter_server:*:*:*:*:*:*:*:*
vmware vcenter server= 7.0nvdUScpe:2.3:a:vmware:vcenter_server:*:*:*:*:*:*:*:*

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 2021-09-23modified 2026-06-17

references (11)

External citations — patches, advisories, analysis.

scry

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