CVE-2021-21995 — Out-of-bounds Read in Vmware Esxi

CWE-125 — Out-of-bounds Read4 documents4 sources
Severity
7.5HIGHNVD
EPSS
0.5%
top 35.44%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Vmware Cloud FoundationVmware Esxi
Timeline
PublishedJul 13
Latest updateMay 24

Description

OpenSLP as used in ESXi has a denial-of-service vulnerability due a heap out-of-bounds read issue. A malicious actor with network access to port 427 on ESXi may be able to trigger a heap out-of-bounds read in OpenSLP service resulting in a denial-of-service condition.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages2 packages

▶NVDvmware/esxi6.5, 6.7, 7.0+2
▶NVDvmware/cloud_foundation3.0 — 3.10.2+1

🔴Vulnerability Details

2
GHSA
GHSA-x2m6-68vv-69j3: OpenSLP as used in ESXi has a denial-of-service vulnerability due a heap out-of-bounds read issue↗2022-05-24
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CVEList
CVE-2021-21995: OpenSLP as used in ESXi has a denial-of-service vulnerability due a heap out-of-bounds read issue↗2021-07-13
▶

📋Vendor Advisories

1
VMware
VMware ESXi updates address authentication and denial of service vulnerabilities (CVE-2021-21994, CVE-2021-21995)↗2021-07-13
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CVE-2021-21995 — Out-of-bounds Read in Vmware Esxi | cvebase