High severity · published Oct 20, 2020
CVE-2020-3994
VMware vCenter Server (6.7 before 6.7u3, 6.6 before 6.5u3k) contains a session hijack vulnerability in the vCenter Server Appliance Management Interface update function due to a…
7.4
CVSS
0.6%
EPSS
No
On KEV
Description
VMware vCenter Server (6.7 before 6.7u3, 6.6 before 6.5u3k) contains a session hijack vulnerability in the vCenter Server Appliance Management Interface update function due to a lack of certificate validation. A malicious actor with network positioning between vCenter Server and an update repository may be able to perform a session hijack when the vCenter Server Appliance Management Interface is used to download vCenter updates.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 51% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
VS
vCenter Server · VMware
6.5; 6.5; 6.5; 6.5; 6.5; 6.5; +23 more · source: NVD
CF
Cloud Foundation · Vmware
3.0 before 3.9 · source: NVD
Affected product
VS
vCenter Server
VMware
More from vCenter Server
9.8
CVE-2026-59310
vCenter directory-traversal vulnerability
9.8
CVE-2024-38813
Privilege escalation vulnerability
9.8
CVE-2024-38812
Heap-overflow vulnerability
9.8
CVE-2024-37079
Broadcom VMware vCenter Server Out-of-bounds Write Vulnerability
9.8
CVE-2023-34048
VMware vCenter Server Out-of-Bounds Write Vulnerability