CVE-2024-4555 Overview
CVE-2024-4555 is an improper privilege management vulnerability in OpenText NetIQ Access Manager. The flaw allows user account impersonation under specific conditions, enabling an unauthenticated attacker to act on behalf of a legitimate user. Affected releases include NetIQ Access Manager versions prior to 5.0.4.1 and prior to 5.1. The weakness maps to [CWE-266] Incorrect Privilege Assignment and [CWE-269] Improper Privilege Management. Because NetIQ Access Manager mediates single sign-on (SSO) and federated identity for downstream applications, impersonation directly undermines authentication and authorization decisions across protected web resources.
Critical Impact
An unauthenticated network attacker can impersonate a user account in NetIQ Access Manager, compromising the integrity of identity-based access controls for every downstream application that relies on the Access Manager federation service.
Affected Products
- OpenText NetIQ Access Manager versions before 5.0.4.1
- OpenText NetIQ Access Manager versions before 5.1
- Deployments using NetIQ Access Manager as an SSO or federation gateway
Discovery Timeline
- 2024-08-28 - CVE-2024-4555 published to the National Vulnerability Database (NVD)
- 2025-10-06 - Last updated in NVD database
Technical Details for CVE-2024-4555
Vulnerability Analysis
NetIQ Access Manager handles authentication, federation, and SSO for protected applications. CVE-2024-4555 stems from improper privilege management within this identity flow. An attacker who triggers the specific scenario described by the vendor can impersonate another user account without supplying that user's credentials. The vulnerability is exploitable over the network, requires no privileges, and needs no user interaction. Because Access Manager issues tokens or session artifacts trusted by federated applications, a successful impersonation propagates to every service that relies on Access Manager for identity assertions. The defect affects integrity directly while leaving confidentiality and availability intact at the protocol layer.
Root Cause
The root cause aligns with [CWE-266] and [CWE-269]. Access Manager assigns or evaluates user privileges incorrectly in a specific code path, allowing the identity associated with a request to be substituted. OpenText has not publicly released exploit-level technical detail. The fix is delivered in NetIQ Access Manager 5.0.4.1 and 5.1, where the affected privilege handling logic is corrected.
Attack Vector
The attack vector is network-based and requires no authentication. An attacker interacts with an exposed NetIQ Access Manager endpoint and triggers the impersonation scenario, after which the platform treats subsequent requests as those of the targeted user. The result is unauthorized access to applications, APIs, and data protected by the federated identity provider. See the Micro Focus Access Manager 5.0 Release Notes and Micro Focus Access Manager 5.1 Release Notes for vendor remediation details.
No verified public proof-of-concept code is available for CVE-2024-4555. Defenders should treat the vulnerability as exploitable based on its network reachability and lack of authentication requirements, even without a published exploit.
Detection Methods for CVE-2024-4555
Indicators of Compromise
- Authentication or federation events in Access Manager where the asserted user identity does not align with the originating client IP, device, or geolocation history.
- SAML, OAuth, or OIDC assertions issued by Access Manager containing identities that lack corresponding interactive login events.
- Sudden access by privileged accounts to downstream applications without preceding multifactor authentication (MFA) prompts or session establishment logs.
Detection Strategies
- Correlate Access Manager identity provider logs with downstream service access logs to surface sessions issued without a matching authentication transaction.
- Hunt for repeated requests against Access Manager endpoints that precede successful federation responses for high-value accounts.
- Baseline normal SSO behavior per user and alert on identity assertions that deviate from established patterns of source network, user agent, or time of day.
Monitoring Recommendations
- Forward NetIQ Access Manager Identity Server and Administration Console logs to a centralized analytics platform for retention and correlation.
- Monitor administrative endpoints and federation servlets for anomalous request patterns from external networks.
- Track the installed Access Manager build number to confirm patched versions remain deployed across all cluster nodes.
How to Mitigate CVE-2024-4555
Immediate Actions Required
- Upgrade NetIQ Access Manager to version 5.0.4.1 or 5.1 on every Identity Server, Administration Console, and Access Gateway node.
- Restrict network exposure of Access Manager management and federation interfaces to trusted networks pending patch deployment.
- Audit recent federation and SSO logs for impersonation indicators across high-privilege accounts and administrative roles.
- Rotate session tokens, refresh tokens, and federation signing keys after patching to invalidate any artifacts issued during the exposure window.
Patch Information
OpenText addresses CVE-2024-4555 in NetIQ Access Manager 5.0.4.1 and 5.1. Apply the fix to all cluster members. Refer to the Micro Focus Access Manager 5.0 Release Notes and Micro Focus Access Manager 5.1 Release Notes for installation guidance and component compatibility.
Workarounds
- Place Access Manager behind a reverse proxy or web application firewall configured to restrict access to known client networks until the patch is applied.
- Require step-up authentication or MFA at downstream applications so that a forged identity assertion alone is insufficient to access sensitive resources.
- Reduce session lifetimes and disable long-lived refresh tokens for federated applications to limit the value of any impersonated session.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
