CVE-2025-5808: OpenText Self Service Password Reset Flaw

CVE-2025-5808 Overview

CVE-2025-5808 is an improper input validation vulnerability in OpenText Self Service Password Reset (SSPR) that allows authentication bypass. The flaw affects all versions of Self Service Password Reset prior to 4.8 patch 3. Attackers can leverage the weakness to bypass authentication controls and gain unauthorized access to the password reset workflow, potentially compromising user account credentials across the directory environment. The issue is classified under CWE-1284: Improper Validation of Specified Quantity in Input and is network-exploitable.

Critical Impact

Successful exploitation enables authentication bypass against the password reset interface, exposing user accounts to credential takeover and downstream identity compromise.

Affected Products

• OpenText Self Service Password Reset versions before 4.8 patch 3
• Deployments integrated with directory services through SSPR
• Micro Focus / OpenText SSPR appliance and software installations

Discovery Timeline

• 2025-08-29 - CVE-2025-5808 published to the National Vulnerability Database
• 2026-06-17 - Last updated in NVD database

Technical Details for CVE-2025-5808

Vulnerability Analysis

The vulnerability resides in input handling logic within OpenText Self Service Password Reset. The product fails to properly validate user-supplied input during portions of the authentication workflow. An attacker who can interact with the SSPR interface can submit crafted input that subverts authentication checks. The flaw requires network access to the SSPR endpoint and some user interaction to trigger the unsafe code path.

Because SSPR sits in front of identity and directory infrastructure, a bypass undermines the integrity of any account that can be reset through the portal. Attackers can pivot from a successful bypass to credential reset, account takeover, and lateral movement against systems that trust the underlying directory.

Root Cause

The root cause is improper input validation [CWE-1284] in the SSPR request handling pipeline. The application accepts input without enforcing the constraints needed to keep authentication state consistent. As a result, the authentication decision can be influenced by attacker-controlled values rather than by verified credentials.

Attack Vector

The attack vector is network-based against the SSPR web interface. An attacker reaches the SSPR endpoint, supplies malformed or unexpected input to authentication-related parameters, and bypasses the intended verification. Public exploit code has not been confirmed, and the issue is not listed in the CISA Known Exploited Vulnerabilities catalog.

No verified public proof-of-concept is available. See the Micro Focus Security Implementation Guide for vendor technical guidance.

Detection Methods for CVE-2025-5808

Indicators of Compromise

• Unexpected successful password reset events for accounts that did not initiate a reset
• SSPR audit log entries showing authentication state transitions without matching credential validation events
• Anomalous HTTP requests to SSPR endpoints containing malformed parameters, duplicated fields, or unusual input lengths
• Spikes in password reset volume or reset activity originating from a small set of source IP addresses

Detection Strategies

• Review SSPR application logs for authentication events that lack corresponding directory bind or challenge-response records
• Correlate web access logs against SSPR audit logs to identify sessions that reached privileged states without completing all required steps
• Alert on directory password change events tied to SSPR service accounts when the originating session is not fully attributable

Monitoring Recommendations

• Forward SSPR application, web server, and directory audit logs to a centralized SIEM for correlation
• Baseline normal password reset rates per hour and alert on statistical deviations
• Monitor for repeated reset attempts targeting privileged accounts or service accounts
• Track inbound source IP reputation against the SSPR portal and alert on traffic from anonymizing infrastructure

How to Mitigate CVE-2025-5808

Immediate Actions Required

• Upgrade OpenText Self Service Password Reset to 4.8 patch 3 or later as the primary remediation
• Restrict network access to the SSPR portal so only required user populations can reach it
• Audit recent password reset and account modification activity for signs of abuse
• Force password rotation for any account that shows anomalous reset activity in the audit trail

Patch Information

OpenText addresses the issue in Self Service Password Reset 4.8 patch 3. Apply the vendor-supplied patch following the procedures in the Micro Focus Security Implementation Guide. After patching, validate that the SSPR service restarts cleanly and that audit logging remains enabled.

Workarounds

• Place the SSPR portal behind a web application firewall configured to reject malformed or unexpected authentication parameters
• Limit SSPR exposure to trusted networks or VPN clients until the patch is deployed
• Enforce multi-factor authentication on the directory accounts protected by SSPR to reduce the impact of a bypass
• Temporarily disable the SSPR self-registration or forgotten-password workflows if patching cannot be completed promptly

# Example: restrict SSPR portal access at the reverse proxy (nginx)
location /sspr/ {
    allow 10.0.0.0/8;
    allow 192.168.0.0/16;
    deny all;
    proxy_pass https://sspr-backend.internal:8443/sspr/;
}