HPE Aruba Networking ClearPass Policy Manager up to 6.11.13/6.12.7 Local Privilege Escalation

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
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7.8$5k-$25k0.00

Summaryinfo

A vulnerability classified as critical has been found in HPE Aruba Networking ClearPass Policy Manager up to 6.11.13/6.12.7. This vulnerability affects unknown code. The manipulation leads to Local Privilege Escalation. This vulnerability is referenced as CVE-2026-23599. The attack can only be performed from a local environment. No exploit is available.

Detailsinfo

A vulnerability was found in HPE Aruba Networking ClearPass Policy Manager up to 6.11.13/6.12.7 and classified as critical. This issue affects some unknown processing. The manipulation with an unknown input leads to a local privilege escalation vulnerability. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

A local privilege-escalation vulnerability has been discovered in the HPE Aruba Networking ClearPass OnGuard Software for Linux. Successful exploitation of this vulnerability could allow a local attacker to achieve arbitrary code execution with root privileges.

It is possible to read the advisory at support.hpe.com. The identification of this vulnerability is CVE-2026-23599 since 01/14/2026. The exploitation is known to be easy. Attacking locally is a requirement. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 02/21/2026).

The vulnerability scanner Nessus provides a plugin with the ID 299675 (Aruba ClearPass Policy Manager 6.11.x < 6.11.13 / 6.12.x < 6.12.7 Local Privilege Escalation (CVE-2026-23599)), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Tenable (299675). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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Vendor

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Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.8

VulDB Base Score: 7.8
VulDB Temp Score: 7.8
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.8
CNA Vector (hpe): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Local Privilege Escalation
CWE: Unknown
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 299675
Nessus Name: Aruba ClearPass Policy Manager 6.11.x < 6.11.13 / 6.12.x < 6.12.7 Local Privilege Escalation (CVE-2026-23599)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

01/14/2026 CVE reserved
02/18/2026 +35 days Advisory disclosed
02/18/2026 +0 days VulDB entry created
02/21/2026 +3 days VulDB entry last update

Sourcesinfo

Vendor: hpe.com

Advisory: support.hpe.com
Status: Confirmed

CVE: CVE-2026-23599 (🔒)
GCVE (CVE): GCVE-0-2026-23599
GCVE (VulDB): GCVE-100-346415

Entryinfo

Created: 02/18/2026 06:47
Updated: 02/21/2026 06:56
Changes: 02/18/2026 06:47 (60), 02/21/2026 06:56 (2)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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