Out-of-bounds Read in VMware Esxi
CVE-2019-5521
VMware ESXi (6.7 before ESXi670-201904101-SG and 6.5 before ESXi650-201903001), Workstation (15.x before 15.0.3 and 14.x before 14.1.6) and Fusion (11.x before 11.0.3 and 10.x before 10.1.6) contain an out-of-bounds read vulnerability in the pixel shader functionality. Successful exploitation of this issue may lead to information disclosure or may allow attackers with normal user privileges to create a denial-of-service condition on the host. Exploitation of this issue require an attacker to have access to a virtual machine with 3D graphics enabled. It is not enabled by default on ESXi and is enabled by default on Workstation and Fusion.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:H.
EPSS exploit prediction
EPSS: 0.016 (75.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 75.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000
Affected products
- VMware Esxi — versions 6.5, 6.7
- VMware Fusion
- VMware Esxi — versions 6.7 before ESXi670-201904101-SG, 6.5 before ESXi650-201903001
- VMware Fusion — versions 11.x before 11.0.3, 10.x before 10.1.6
- VMware Workstation — versions 15.x before 15.0.3, 14.x before 14.1.6
- VMware Workstation
Weakness classification (CWE)
References
- www.talosintelligence.com/vulnerability_reports/TALOS-2019-0757 (Third Party Advisory)
- www.vmware.com/security/advisories/VMSA-2019-0012.html (Vendor Advisory)
Frequently asked questions
- What is CVE-2019-5521?
- CVE-2019-5521 is a critical-severity vulnerability in VMware Esxi, classified under Out-of-bounds Read. CVSS score: 9.6/10. Published 2019-09-20.
- How severe is CVE-2019-5521?
- Critical severity. CVSS v3 base score is 9.6 out of 10.