CVE-2025-1968: Progress Sitefinity Auth Bypass Flaw

CVE-2025-1968 Overview

CVE-2025-1968 is an Insufficient Session Expiration vulnerability affecting Progress Software Corporation's Sitefinity content management system. Under specific and uncommon circumstances, this vulnerability allows attackers to reuse Session IDs, enabling Session Replay Attacks. This type of vulnerability falls under CWE-613 (Insufficient Session Expiration), where sessions remain valid longer than intended, creating opportunities for unauthorized access.

Critical Impact

Attackers exploiting this vulnerability can hijack user sessions by replaying captured session identifiers, potentially gaining unauthorized access to authenticated user accounts and sensitive content management functionality within Sitefinity.

Affected Products

• Progress Sitefinity versions 14.0 through 14.3
• Progress Sitefinity versions 14.4 before 14.4.8145
• Progress Sitefinity versions 15.0 before 15.0.8231
• Progress Sitefinity versions 15.1 before 15.1.8332
• Progress Sitefinity versions 15.2 before 15.2.8429

Discovery Timeline

• April 9, 2025 - CVE CVE-2025-1968 published to NVD
• April 15, 2026 - Last updated in NVD database

Technical Details for CVE-2025-1968

Vulnerability Analysis

This Insufficient Session Expiration vulnerability in Progress Sitefinity allows session replay attacks under specific circumstances. The root issue lies in the application's session management mechanism failing to properly invalidate session tokens after certain events that should trigger session termination, such as logout actions or session timeout periods.

When exploited, an attacker who has captured a valid session identifier through network interception, cross-site scripting, or other means can reuse that session ID to impersonate the legitimate user. The network-based attack vector requires no privileges or user interaction, though exploitation complexity is elevated due to the specific conditions required for the vulnerability to manifest.

The impact of successful exploitation includes potential compromise of confidentiality and integrity of user data and content managed through the Sitefinity CMS, with limited availability impact.

Root Cause

The vulnerability stems from improper session lifecycle management within Sitefinity's authentication framework. Session tokens are not being invalidated correctly under certain uncommon conditions, allowing previously authenticated sessions to remain valid beyond their intended lifespan. This may occur due to race conditions in session cleanup routines, improper handling of concurrent session states, or edge cases in the logout workflow.

Attack Vector

Exploitation of CVE-2025-1968 requires an attacker to first obtain a valid session identifier from a legitimate user. This can be accomplished through various means including network traffic interception on unsecured connections, exploitation of other vulnerabilities like XSS, or access to stored session data. Once obtained, the attacker can replay this session ID to the Sitefinity application, which fails to recognize the session as invalid, granting the attacker access with the privileges of the original user.

The attack is network-accessible but requires high complexity due to the specific and uncommon circumstances needed for successful exploitation. No authentication is required by the attacker, and the attack does not depend on user interaction.

Detection Methods for CVE-2025-1968

Indicators of Compromise

• Multiple simultaneous connections using the same session identifier from different IP addresses or geographic locations
• Session activity continuing after a user has explicitly logged out
• Unusual session duration patterns exceeding configured timeout thresholds
• Authentication logs showing session reuse across disparate network contexts

Detection Strategies

• Implement session fingerprinting to detect session tokens being used from different client environments (browser user-agent, IP address ranges)
• Configure web application firewalls to alert on session anomalies and potential replay patterns
• Enable detailed authentication and session logging within Sitefinity for forensic analysis
• Deploy network traffic analysis to identify session token interception attempts

Monitoring Recommendations

• Monitor Sitefinity authentication logs for suspicious session behavior patterns
• Set up alerts for sessions that remain active beyond expected timeout periods
• Track and correlate user login/logout events with actual session termination
• Review IIS or application server logs for concurrent session access from multiple sources

How to Mitigate CVE-2025-1968

Immediate Actions Required

• Upgrade affected Sitefinity installations to the latest patched versions immediately
• Review and audit current session management configurations for proper timeout settings
• Implement additional session validation controls such as IP binding where feasible
• Force re-authentication for sensitive administrative operations within the CMS

Patch Information

Progress Software Corporation has released security updates to address this vulnerability. Organizations should upgrade to the following minimum versions:

• Sitefinity 14.4.8145 or later for the 14.4 branch
• Sitefinity 15.0.8231 or later for the 15.0 branch
• Sitefinity 15.1.8332 or later for the 15.1 branch
• Sitefinity 15.2.8429 or later for the 15.2 branch

For detailed patch information and download links, refer to the Progress Sitefinity Security Advisory.

Note: Sitefinity versions 14.0 through 14.3 appear to be affected without a specified patch version in the advisory. Organizations running these versions should consult with Progress Software for upgrade guidance to a supported branch.

Workarounds

• Reduce session timeout values to minimize the window of opportunity for session replay attacks
• Implement network-level controls to enforce HTTPS for all Sitefinity traffic, reducing session interception risk
• Enable additional authentication factors for administrative access to limit impact of session compromise
• Consider implementing application-layer session binding to client characteristics where operationally feasible
• Monitor for and respond to suspicious session activity while planning upgrade deployment