CVE-2021-22021

lowpriority · track · 22EPSS 0.005 · 40 %ileEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.47% (40th) EPSS

CVSS 3.5 · low

Is it mine?

8 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

VMware vRealize Log Insight (8.x prior to 8.4) contains a Cross Site Scripting (XSS) vulnerability due to improper user input validation. An attacker with user privileges may be able to inject a malicious payload via the Log Insight UI which would be executed when the victim accesses the shared dashboard link.

cvss

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

5.4

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 3.5–5.4

v2.03.5lowAV:N/AC:M/Au:S/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 6.8 · impact 2.9

v3.15.4mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 2.3 · impact 2.7

v3.15.4mediumAV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:Nsecondary · FSTEC (BDU) RU

v3.15mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-79USprimaryCWE-79US

affected products (8)

Products and version ranges known to be affected.

n/a VMware vRealize Log Insight≤ VMware vRealize Log Insight (8.x prior to 8.4)enisa_euvdEU
Broadcom Inc. VMware Aria Operations for Logs8.0.0 → KB85405fstec_bduRU
Broadcom Inc. VMware Aria Operations for Logs8.2 → KB85412fstec_bduRU
Broadcom Inc. VMware Aria Operations for Logs8.3 → KB85414fstec_bduRU
Broadcom Inc. VMware Cloud Foundation4.0 → 4.3fstec_bduRU
vmware cloud foundation4.0 → 4.3nvdUScpe:2.3:a:vmware:cloud_foundation:*:*:*:*:*:*:*:*
vmware vrealize log insight4.0 → 4.8nvdUScpe:2.3:a:vmware:vrealize_log_insight:*:*:*:*:*:*:*:*
vmware vrealize log insight8.0.0 → 8.4nvdUScpe:2.3:a:vmware:vrealize_log_insight:*:*:*:*:*:*:*:*

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 2021-08-30modified 2026-06-17

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+53004 more

references (6)

External citations — patches, advisories, analysis.

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