Vulnerability · Published Jan 4, 2022 · Assigned by vmware

CVE-2021-22045

High 7.8

In plain English

A high-severity security flaw in VMware ESXi, VMware Workstation and VMware Fusion. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 4.7% (higher than 92% of all known vulnerabilities).

Severity (CVSS NVD)7.8High

Exploit odds (30 days)4.7%top 8.2% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

VMware ESXi (7.0, 6.7 before ESXi670-202111101-SG and 6.5 before ESXi650-202110101-SG), VMware Workstation (16.2.0) and VMware Fusion (12.2.0) contains a heap-overflow vulnerability in CD-ROM device emulation. A malicious actor with access to a virtual machine with CD-ROM device emulation may be able to exploit this vulnerability in conjunction with other issues to execute code on the hypervisor from a virtual machine.

Affected products (as reported)

Vendor	Product	Versions
n/a	VMware ESXi, VMware Workstation and VMware Fusion	VMware ESXi (7.0, 6.7 before ESXi670-202111101-SG and 6.5 before ESXi650-202110101-SG), VMware Workstation (16.2.0) and VMware Fusion (12.2.0)

References

https://www.vmware.com/security/advisories/VMSA-2022-0001.html x_refsource_MISC
http://packetstormsecurity.com/files/165440/VMware-Security-Advisory-2022-0001.html x_refsource_MISC
https://www.zerodayinitiative.com/advisories/ZDI-22-003/ x_refsource_MISC