CVE-2021-21975

mediumpriority · act · 90OT risk · criticalKEV · exploitedEPSS 0.780 · 100 %ileexploit · weaponizedEURUUS

grimoire priorityP0 · Act now

Exploitable?

Yes · in the wild

CISA KEV · 9 exploits · weaponized

Likely / severe?

78.0% (100th) EPSS

CVSS 5 · medium

Is it mine?

34 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

added 2022-01-18remediate by 2022-02-01

required action Apply updates per vendor instructions.

EPSS · scored 2026-10-25

VMware Server Side Request Forgery in vRealize Operations Manager API

Server Side Request Forgery in vRealize Operations Manager API (CVE-2021-21975) prior to 8.4 may allow a malicious actor with network access to the vRealize Operations Manager API can perform a Server Side Request Forgery attack to steal administrative credentials.

cvss

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

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–critical · 5–9.8

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

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Nsecondary · ENISA EU

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondaryexploitability 3.9 · impact 5.9

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:Hsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: active · Automatable: yes · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-918USprimaryCWE-918US

ATT&CK techniques

ATT&CK techniques this enables or maps to.

T1190Exploit Public-Facing Application — This Server-Side Request Forgery (SSRF) vulnerability is exploited by an attacker with network access to the VMware server. This vulnerability enables the attacker to exploit an unauthenticated endpoint to send crafted requests to internal or external systems. By doing so, the attacker can potentially steal administrative credentials. Once these credentials are compromised, the attacker could gain maximum privileges within the application, enabling them to alter configurations and intercept sensitive data. This exploitation could lead to unauthorized access and manipulation of the application.exploitation

exploits (9)

Public proof-of-concept and weaponised exploit code.

exploit/linux/http/vmware_vrops_mgr_ssrf_rceVMware vRealize Operations (vROps) Manager SSRF RCEweaponized · metasploit
Al1ex/CVE-2021-21975CVE-2021-21975 vRealize Operations Manager SSRFPoC · poc_in_github
DarkFunct/exp_hub漏洞复现与poc收集，CVE-2021-21975，cve-2021-22005，CVE-2021-26295，VMware vCenter任意文件读取PoC · poc_in_github
GuayoyoCyber/CVE-2021-21975Nmap script to check vulnerability CVE-2021-21975PoC · poc_in_github
Henry4E36/VMWare-vRealize-SSRFVMWare vRealize SSRF-CVE-2021-21975PoC · poc_in_github
Vulnmachines/VMWare-CVE-2021-21975VMWare-CVE-2021-21975 SSRF vulnerabilityPoC · poc_in_github

affected products (34)

Products and version ranges known to be affected.

n/a VMware vRealize Operations≤ VMware vRealize Operations prior to 8.4enisa_euvdEU
Broadcom Inc. VMware Aria Operations7.5.0 → 7.5.0-HF14fstec_bduRU
Broadcom Inc. VMware Aria Operations8.0.1 → 8.0.1-HF7fstec_bduRU
Broadcom Inc. VMware Aria Operations8.1.0 → 8.1.1-HF6fstec_bduRU
Broadcom Inc. VMware Aria Operations8.2.0 → 8.2.0-HF4fstec_bduRU
Broadcom Inc. VMware Aria Operations8.3.0 → 8.3.0-HF3fstec_bduRU
Broadcom Inc. VMware Cloud Foundation≤ KB83260fstec_bduRU
vmware cloud foundation= 3.0nvdUScpe:2.3:a:vmware:cloud_foundation:*:*:*:*:*:*:*:*
vmware cloud foundation= 3.0.1nvdUScpe:2.3:a:vmware:cloud_foundation:*:*:*:*:*:*:*:*
vmware cloud foundation= 3.0.1.1nvdUScpe:2.3:a:vmware:cloud_foundation:*:*:*:*:*:*:*:*
vmware cloud foundation= 3.10nvdUScpe:2.3:a:vmware:cloud_foundation:*:*:*:*:*:*:*:*
vmware cloud foundation= 3.5nvdUScpe:2.3:a:vmware:cloud_foundation:*:*:*:*:*:*:*:*
vmware cloud foundation= 3.5.1nvdUScpe:2.3:a:vmware:cloud_foundation:*:*:*:*:*:*:*:*
vmware cloud foundation= 3.7nvdUScpe:2.3:a:vmware:cloud_foundation:*:*:*:*:*:*:*:*
vmware cloud foundation= 3.7.1nvdUScpe:2.3:a:vmware:cloud_foundation:*:*:*:*:*:*:*:*
vmware cloud foundation= 3.7.2nvdUScpe:2.3:a:vmware:cloud_foundation:*:*:*:*:*:*:*:*
vmware cloud foundation= 3.8nvdUScpe:2.3:a:vmware:cloud_foundation:*:*:*:*:*:*:*:*
vmware cloud foundation= 3.8.1nvdUScpe:2.3:a:vmware:cloud_foundation:*:*:*:*:*:*:*:*
vmware cloud foundation= 3.9nvdUScpe:2.3:a:vmware:cloud_foundation:*:*:*:*:*:*:*:*
vmware cloud foundation= 3.9.1nvdUScpe:2.3:a:vmware:cloud_foundation:*:*:*:*:*:*:*:*

showing 20 of 34

also known as (4)

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 2021-03-31modified 2026-08-12

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+4163 more

references (10)

External citations — patches, advisories, analysis.

scry

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