Medium severity · published Aug 30, 2021
CVE-2021-22021
VMware vRealize Log Insight (8.x prior to 8.4) contains a Cross Site Scripting (XSS) vulnerability due to improper user input validation
5.4
CVSS
0.5%
EPSS
No
On KEV
Description
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 vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 40% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CF
Cloud Foundation · Vmware
4.0 before 4.3 · source: NVD
VL
Vrealize Log Insight · Vmware
4.0 through 4.8; 8.0.0 before 8.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-22021
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-22021
Patch
https://www.vmware.com/security/advisories/VMSA-2021-0019.html
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