CVE-2021-21991

The vCenter Server contains a local privilege escalation vulnerability due to the way it handles session tokens

published September 22, 2021

CVSS
—
EPSS
0%
Percentile
23.3
In the wild
Unconfirmed
What it is

The vCenter Server contains a local privilege escalation vulnerability due to the way it handles session tokens. A malicious actor with non-administrative user access on vCenter Server host may exploit this issue to escalate privileges to Administrator on the vSphere Client (HTML5) or vCenter Server vSphere Web Client (FLEX/Flash).

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00316 · 23.3th percentile
Published
2021-09-22T18:59Z
EPSS history
Timeline
  • 22 SEP 18:59Z
    The vCenter Server contains a local privilege escalation vulnerability due to the way it handles session tokens
    cvelistv5