CVE-2014-2291 in Junos Pulse Secure Access Service
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in the Pulse Collaboration (Secure Meeting) user pages in Juniper Junos Pulse Secure Access Service (aka SSL VPN) with IVE OS before 7.1r18, 7.3 before 7.3r10, 7.4 before 7.4r8, and 8.0 before 8.0r1 allows remote authenticated users to inject arbitrary web script or HTML via unspecified vectors.
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Analysis
by VulDB Data Team • 05/08/2026
The CVE-2014-2291 vulnerability represents a critical cross-site scripting flaw within Juniper Junos Pulse Secure Access Service, specifically affecting the Pulse Collaboration (Secure Meeting) user pages. This vulnerability exists in the IVE OS versions prior to the mentioned security releases, creating a significant attack surface for malicious actors who can leverage this weakness to execute arbitrary web scripts or HTML code. The vulnerability is particularly concerning as it affects authenticated users, meaning attackers must first establish valid credentials to exploit the flaw, but the impact remains severe given the privileged access context. The affected versions include multiple major releases of the Junos Pulse platform, indicating this was a widespread issue affecting organizations relying on Juniper's SSL VPN solutions for secure remote access.
The technical nature of this vulnerability stems from inadequate input validation and output encoding mechanisms within the Pulse Collaboration user interface components. The unspecified vectors suggest that the flaw could be exploited through various entry points within the user-facing pages, potentially including meeting room configurations, participant management interfaces, or other collaborative features. This XSS vulnerability allows attackers to inject malicious scripts that can execute within the context of other users' browsers, enabling them to steal session cookies, perform unauthorized actions on behalf of victims, or redirect users to malicious websites. The vulnerability's classification aligns with CWE-79, which specifically addresses Cross-Site Scripting flaws in web applications, where improper sanitization of user-supplied data leads to script execution in victim browsers.
The operational impact of this vulnerability extends beyond simple script injection, as it can compromise the integrity and confidentiality of the entire secure access environment. Authenticated users who interact with the Pulse Collaboration features become potential victims of session hijacking attacks, where attackers can impersonate legitimate users and gain access to sensitive corporate resources. The vulnerability undermines the fundamental security assumptions of the SSL VPN infrastructure, as it allows attackers to execute code within the trusted browser context of authenticated users. Organizations using affected Juniper versions face potential data breaches, unauthorized access to internal systems, and compromise of the entire secure remote access ecosystem. The attack vector becomes particularly dangerous in environments where users have elevated privileges or access to critical business applications through the secure access service.
Mitigation strategies for CVE-2014-2291 require immediate implementation of the vendor-provided security patches and updates for all affected IVE OS versions. Organizations should prioritize upgrading to the patched releases mentioned in the advisory, specifically versions 7.1r18, 7.3r10, 7.4r8, and 8.0r1. Network administrators must also implement additional protective measures including input validation controls, output encoding mechanisms, and web application firewalls to detect and prevent XSS attacks. The remediation process should include comprehensive testing to ensure that the patches do not introduce compatibility issues with existing applications or user workflows. Security teams should conduct thorough vulnerability assessments to identify any potential exploitation attempts that may have occurred before patching. Organizations should also review their user access controls and implement principle of least privilege to minimize the impact of potential successful attacks, as the vulnerability affects authenticated users within the secure access environment. The ATT&CK framework categorizes this vulnerability under T1059 for Command and Scripting Interpreter and T1566 for Phishing, highlighting the social engineering aspects that attackers might employ to obtain initial authentication credentials before exploiting this XSS flaw.