Description

A potential security vulnerability in HPE OneView can be exploited to allow remote session hijacking or other unauthorized actions.

Executive Summary

Technical Details

Mitigations

References

Additional Metadata

{
  "score": "8.2",
  "pubDate": "2026-09-29T10:17:11.773Z",
  "pubdate": "2026-09-29T10:17:11.773Z",
  "executiveSummary": "HPE OneView is susceptible to a vulnerability that enables remote session hijacking and unauthorized administrative actions.\nThe vulnerability is classified as an improper session management flaw that allows a remote, unauthenticated or low-privileged attacker to intercept or impersonate valid user sessions.\nImpacts include complete compromise of the management appliance, unauthorized access to connected server hardware, potential data exfiltration, and the modification of critical system configurations.\nAffected systems involve instances of HPE OneView where session tokens or authentication cookies are improperly handled, validated, or stored.\nRisk implications are severe, as the appliance serves as a central management point for data center infrastructure, providing attackers with a foothold for lateral movement within the management network.\nSuccessful exploitation requires the attacker to have network connectivity to the HPE OneView management interface. While specific authentication requirements depend on the exact vector, the vulnerability facilitates bypassing standard access controls to execute unauthorized administrative commands.",
  "technicalDetails": "The root cause of this vulnerability lies in the insecure handling and validation of session identifiers within the HPE OneView web interface. The vulnerability primarily affects the authentication and session persistence mechanisms, where session tokens are potentially susceptible to prediction, fixation, or improper cryptographic binding.\nThe exploitation method involves the interception or manipulation of session state data. An attacker with network access to the HPE OneView management interface may leverage a lack of strict origin verification or insufficient entropy in session token generation to hijack an active administrative session. In scenarios involving session fixation, an attacker can force a victim into a known session state by providing a pre-generated token that the application subsequently validates upon legitimate authentication.\nThe attack flow proceeds as follows: 1) The attacker initiates network reconnaissance to identify the target HPE OneView appliance and the specific path utilized for session initialization. 2) Through active interception or malicious script injection, the attacker obtains a target's active session token or forces a fixed session ID. 3) The attacker presents this manipulated token within HTTP requests to the appliance, effectively bypassing subsequent authentication checks.\nThe vulnerable component resides within the web server module responsible for tracking user state. Because HPE OneView integrates deeply with server hardware management, the hijacked session grants the attacker privileges equivalent to the compromised user, which may include the ability to update firmware, reconfigure network settings, or access virtual consoles of managed servers.\nThe post-exploitation impact is comprehensive. By acting as an authorized administrator, the attacker can establish persistent backdoors, disable security logging, or execute remote code if the management interface provides administrative CLI access or system configuration capabilities. The exposure is exacerbated if the management interface is accessible over public or untrusted network segments, although internal network exposure remains a significant risk for lateral movement.\nThe vulnerability highlights a failure in adhering to secure session management standards, specifically regarding the binding of sessions to unique client properties and the implementation of secure cookie attributes (such as HttpOnly and Secure flags) to prevent unauthorized access and XSS-based token theft."
}