CVE-2021-219859.8CriticalCWE-470

CVE-2021-21985: VMware vSphere Client (HTML5) - Remote Code Execution

VMware · VMware vCenter Server and VMware Cloud Foundation

Affected: VMware vCenter Server and VMware Cloud Foundation · Exploitation: in CISA KEV since 3 Nov 2021

Known ransomware use

Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.

ExploitationIn CISA KEV

In CISA KEVCISA KEV catalogue3 Nov 2021
Exploited (reported): not seen
Scanning observed: not seen
Proof of concept public: not seen
Not established: not seen

99.9%probability of exploitation in the next 30 days

Percentile not published

9.8CriticalCVSS

LowMediumHighCrit.

DescriptionCVE.org

The full CVE record could not be read just now. It is linked under References, and this page fills in once it has been read.

On the Atlas

Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.

Open the Atlas

Exploitation: Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalogue.
CISA KEV: Listed since 3 Nov 2021 · known ransomware use · catalogue entry
Public check: VMware vSphere Client (HTML5) - Remote Code Execution · nuclei template in projectdiscovery/nuclei-templates
Weakness: Use of Externally-Controlled Input to Select Classes or Code · Command and Code Injection
Vendor: VMware
Published: May 2021
Band: Exploited in the wild, May 2021

What changed

5 Nov
CISA’s KEV entry now notes known ransomware use CISA
3 Nov 2021
CISA added it to the KEV catalogue CISA

CoverageNo articles yet

No CyberSIXT article names CVE-2021-21985 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.