Home/CVE/VMware vRealize Log Insight (8.x prior to 8.4) contains a Cross Site Scripting (XSS) vulnerability due to improper user
CVE

CVE-2021-22021

VMware vRealize Log Insight (8.x prior to 8.4) contains a Cross Site Scripting (XSS) vulnerability due to improper user

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.

MEDIUM · CVSS 5.4 EPSS 0.00242
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
▤

Affected Products & Versions

3
vmware cloud foundation>= 4.0 and < 4.3
vmware vrealize log insight>= 4.0 and <= 4.8
vmware vrealize log insight>= 8.0.0 and < 8.4
▣

Scoring & Timeline

5.4
MEDIUM · CVSS v3.1 · security@vmware.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD30 Aug 2021 · 07:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://www.vmware.com/security/advisories/VMSA-2021-0019.htmlPatchVendor Advisory
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