9.6

CVE-2019-5521: vmware esxi Out-of-bounds Read

CVSS: 9.6v3.1CriticalModified
Published 20-09-2019Last modified 04-08-2024

Vulnerability summary

CVE-2019-5521 is a critical (CVSS 9.6) Out-of-bounds Read vulnerability in vmware esxi. EPSS estimates a 1.63% chance of exploitation in the next 30 days, higher than 75.8% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.6/10
010
Critical · v3.1 (NVD)
EPSS score
1.63%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 20-09-2019
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

1.63%

Chance of exploitation in the next 30 days

Percentile

76%

Versus all other CVEs

30-day change

0.00 pp

From 1.63% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.63%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Vmware6 products
  • esxiEOL6.5 | 6.5:650-201701001 | 6.5:650-201703001 | 6.5:650-201703002 | 6.5:650-201704001 | 6.5:650-201707101 | 6.5:650-201707102 | 6.5:650-201707103 | 6.5:650-201707201 | 6.5:650-201707202 | 6.5:650-201707203 | 6.5:650-201707204 | 6.5:650-201707205 | 6.5:650-201707206 | 6.5:650-201707207 | 6.5:650-201707208 | 6.5:650-201707209 | 6.5:650-201707210 | 6.5:650-201707211 | 6.5:650-201707212 | 6.5:650-201707213 | 6.5:650-201707214 | 6.5:650-201707215 | 6.5:650-201707216 | 6.5:650-201707217 | 6.5:650-201707218 | 6.5:650-201707219 | 6.5:650-201707220 | 6.5:650-201707221 | 6.5:650-201710001 | 6.5:650-201712001 | 6.5:650-201803001 | 6.5:650-201806001 | 6.5:650-201808001 | 6.5:650-201810001 | 6.5:650-201810002 | 6.5:650-201811001 | 6.5:650-201811002 | 6.5:650-201811301 | 6.5:650-201901001 | 6.7 | 6.7:670-201806001 | 6.7:670-201807001 | 6.7:670-201808001 | 6.7:670-201810001 | 6.7:670-201810101 | 6.7:670-201810102 | 6.7:670-201810103 | 6.7:670-201810201 | 6.7:670-201810202 | 6.7:670-201810203 | 6.7:670-201810204 | 6.7:670-201810205 | 6.7:670-201810206 | 6.7:670-201810207 | 6.7:670-201810208 | 6.7:670-201810209 | 6.7:670-201810210 | 6.7:670-201810211 | 6.7:670-201810212 | 6.7:670-201810213 | 6.7:670-201810214 | 6.7:670-201810215 | 6.7:670-201810216 | 6.7:670-201810217 | 6.7:670-201810218 | 6.7:670-201810219 | 6.7:670-201810220 | 6.7:670-201810221 | 6.7:670-201810222 | 6.7:670-201810223 | 6.7:670-201810224 | 6.7:670-201810225 | 6.7:670-201810226 | 6.7:670-201810227 | 6.7:670-201810228 | 6.7:670-201810229 | 6.7:670-201810230 | 6.7:670-201810231 | 6.7:670-201810232 | 6.7:670-201810233 | 6.7:670-201810234 | 6.7:670-201811001 | 6.7:670-201901001 | 6.7:670-201901401 | 6.7:670-201901402 | 6.7:670-201901403 | 6.7:670-201904201 | 6.7:670-201904202 | 6.7:670-201904203 | 6.7:670-201904204 | 6.7:670-201904205 | 6.7:670-201904206 | 6.7:670-201904207 | 6.7:670-201904208 | 6.7:670-201904209 | 6.7:670-201904210 | 6.7:670-201904211 | 6.7:670-201904212 | 6.7:670-201904213 | 6.7:670-201904214 | 6.7:670-201904215 | 6.7:670-201904216 | 6.7:670-201904217 | 6.7:670-201904218 | 6.7:670-201904219 | 6.7:670-201904220 | 6.7:670-201904221 | 6.7:670-201904222 | 6.7:670-201904223 | 6.7:670-201904224 | 6.7:670-201904225 | 6.7:670-201904226 | 6.7:670-201904227 | 6.7:670-201904228 | 6.7:670-201904229
  • fusion≥ 10.0.0, < 10.1.6 | ≥ 11.0.0, < 11.0.3
  • vmware_esxi6.7 before ESXi670-201904101-SG | 6.5 before ESXi650-201903001
  • vmware fusion11.x before 11.0.3 | 10.x before 10.1.6
  • vmware_workstation15.x before 15.0.3 | 14.x before 14.1.6

1 vendor · 6 products

References

2 links