CVE-2021-26677
A local authenticated escalation of privilege vulnerability was discovered in Aruba ClearPass...
A local authenticated escalation of privilege vulnerability was discovered in Aruba ClearPass Policy Manager version(s): Prior to 6.9.5, 6.8.8-HF1, 6.7.14-HF1. A vulnerability in ClearPass OnGuard could allow local authenticated users on a Windows platform to elevate their privileges. A successful exploit could allow an attacker to execute arbitrary code with SYSTEM level privileges.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
A local authenticated escalation of privilege vulnerability was discovered in Aruba ClearPass Policy Manager version(s): Prior to 6.9.5, 6.8.8-HF1, 6.7.14-HF1. A vulnerability in ClearPass OnGuard could allow local authenticated users on a Windows platform to elevate their privileges. A successful exploit could allow an attacker to execute arbitrary code with SYSTEM level privileges.
- Record
CVE-2021-26677- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.2 High
AV:L/AC:L/Au:N/C:C/I:C/A:C - Updated
- 2026-11-02
CVE ListNo score
A local authenticated escalation of privilege vulnerability was discovered in Aruba ClearPass Policy Manager version(s): Prior to 6.9.5, 6.8.8-HF1, 6.7.14-HF1. A vulnerability in ClearPass OnGuard could allow local authenticated users on a Windows platform to elevate their privileges. A successful exploit could allow an attacker to execute arbitrary code with SYSTEM level privileges.
- Record
CVE-2021-26677- Updated
- 2026-11-02
EUVDEUVD-2021-13470No score
A local authenticated escalation of privilege vulnerability was discovered in Aruba ClearPass Policy Manager version(s): Prior to 6.9.5, 6.8.8-HF1, 6.7.14-HF1. A vulnerability in ClearPass OnGuard could allow local authenticated users on a Windows platform to elevate their privileges. A successful exploit could allow an attacker to execute arbitrary code with SYSTEM level privileges.
- Record
EUVD-2021-13470- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-xx4w-vp73-2842
A local authenticated escalation of privilege vulnerability was discovered in Aruba ClearPass...
A local authenticated escalation of privilege vulnerability was discovered in Aruba ClearPass Policy Manager version(s): Prior to 6.9.5, 6.8.8-HF1, 6.7.14-HF1. A vulnerability in ClearPass OnGuard could allow local authenticated users on a Windows platform to elevate their privileges. A successful exploit could allow an attacker to execute arbitrary code with SYSTEM level privileges.
- Record
GHSA-xx4w-vp73-2842- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-269
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, products | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-26677 is a high vulnerability (CVSS 7.8) in Arubanetworks Clearpass Policy Manager, published February 23, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.31%, the 24th percentile. No source names a fixed version.