Buffer overflow in Apple Mac OS X
CVE-2021-22045
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.
Vulnerability class: Buffer Overflow
EPSS: 0.047 (90.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H.
Affected products
- Apple Mac_os_x
- Vmware Cloud_foundation
- Vmware Esxi — versions 6.5, 6.7, 7.0
- Vmware Fusion
- Vmware Workstation
- N/a Vmware Esxi, Workstation And Fusion — versions 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)
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@vmware.com (x_refsource_MISC, Vendor Advisory)
- security@vmware.com (VDB Entry, Third Party Advisory, x_refsource_MISC)
- security@vmware.com (VDB Entry, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-22045?
- CVE-2021-22045 is a high-severity vulnerability in Apple Mac OS X, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2022-01-04.
- How severe is CVE-2021-22045?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2021-22045 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.