Buffer overflow in Vmware Cloud_foundation
CVE-2021-21974
OpenSLP as used in ESXi (7.0 before ESXi70U1c-17325551, 6.7 before ESXi670-202102401-SG, 6.5 before ESXi650-202102101-SG) has a heap-overflow vulnerability. A malicious actor residing within the same network segment as ESXi who has access…
Vulnerability class: Buffer Overflow
EPSS: 0.557 (98.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Vmware Cloud_foundation
- Vmware Esxi — versions 6.5, 6.7, 7.0.0
- N/a Vmware Cloud Foundation — versions 4.x before 4.2 and 3.x
- N/a Vmware Esxi — versions 7.0 before ESXi70U1c-17325551, 6.7 before ESXi670-202102401-SG, 6.5 before ESXi650-202102101-SG
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@vmware.com (x_refsource_CONFIRM, Vendor Advisory)
- security@vmware.com (VDB Entry, Third Party Advisory, x_refsource_MISC)
- security@vmware.com (Exploit, VDB Entry, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-21974?
- CVE-2021-21974 is a high-severity vulnerability in Vmware Cloud_foundation, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2021-02-24.
- How severe is CVE-2021-21974?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2021-21974 known to be exploited?
- 41 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.