A vulnerability in the web-based management interface of Cisco Expressway Series could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the interface. This vulnerability exists because the web-based management interface does not properly validate user-supplied input. An attacker could exploit this vulnerability by persuading a user of the interface to click a crafted link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected interface or access sensitive, browser-based information. Cisco Expressway Series refers to Cisco Expressway Control (Expressway-C) devices and Cisco Expressway Edge (Expressway-E) devices. Organizations should address this issue promptly to mitigate potential risks.
Vulnerability Details
The vulnerability allows an unauthenticated, remote attacker to perform an XSS attack. The CVSS score is 6.1, classifying it as medium severity. This indicates a moderate risk that could lead to unauthorized access or data exposure. The vulnerability was published on February 5, 2025, and falls under CWE-79, which represents improper neutralization of input during web page generation ('XSS').
Technical Analysis
The root cause of this vulnerability lies in the web-based management interface's failure to properly validate user input. The attack vector is network-based, requiring low complexity for exploitation. No privileges are required, but user interaction is necessary to trigger the attack. The impact on confidentiality and integrity is low, while availability is unaffected.
Risk & Impact Analysis
Risk to organizations includes potential unauthorized access to sensitive information and manipulation of browser-based content. Given the moderate CVSS score of 6.1, organizations should prioritize patching in their security protocols. The blast radius could be significant if multiple users interact with the vulnerable interface, leading to widespread exploitation.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
All versions prior to vendor patch are affected by this vulnerability.
Mitigation & Remediation
Organizations should prioritize patching immediately. Cisco has released guidance to remediate this vulnerability, and organizations should consult their security updates for the latest patches. Additionally, implementing strong input validation and user education can help mitigate risks associated with XSS vulnerabilities. For further assistance, organizations can engage in penetration testing services.
Detection Guidance
Monitoring for unusual user activities, such as unexpected script execution or unauthorized access attempts, can help in early detection of exploitation. Logging user interactions with the web interface can also provide insights into potential attacks.
AppSecure Threat Intelligence Insight
The presence of this vulnerability highlights the ongoing challenges in web-based management interfaces and the necessity for continuous security assessments. Organizations should consider enhancing their security posture by adopting best practices in penetration testing methodology and integrating security into their development processes. Engaging in regular vulnerability management programs can also help in identifying and mitigating similar vulnerabilities before they can be exploited.
Moreover, organizations should explore API penetration testing as part of their overall security strategy to address potential attack vectors across various interfaces.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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