A high-severity vulnerability, identified as CVE-2025-2813, has been discovered that affects multiple products. An unauthenticated attacker from anywhere on the internet can exploit this flaw by sending a high volume of web traffic, causing a denial of service and making critical services unavailable to legitimate users. Organizations are urged to apply vendor patches immediately to prevent potential service disruptions and operational impact.

This vulnerability allows a remote, unauthenticated attacker to cause a denial of service condition. The flaw exists within the HTTP service running on TCP port 80, which fails to properly handle a large number of incoming requests. An attacker can exploit this by flooding the service with a high volume of HTTP traffic, which overwhelms the system's resources (e.g., CPU, memory, connection table), causing the service to become unresponsive or crash entirely and preventing access for legitimate users.

This vulnerability is rated as High severity with a CVSS score of 7.5. Exploitation can lead to significant business disruption by rendering web-based services and applications unavailable to customers, employees, and partners. The potential consequences include direct financial loss from interrupted e-commerce or business operations, damage to the organization's reputation, and a negative impact on customer trust. Given that the attack can be launched remotely by an unauthenticated user, the barrier to exploitation is low, increasing the risk to any organization with vulnerable, internet-facing systems.

Immediate Action: The primary remediation is to apply vendor security updates immediately across all affected assets. Prioritize patching on externally-facing systems to reduce the attack surface. In parallel, security teams should actively monitor for signs of exploitation and review web server access logs for anomalous activity.

Proactive Monitoring: Implement monitoring to detect potential exploitation attempts. Security teams should look for:

• Unusual spikes in inbound traffic to TCP port 80 from a small number of source IP addresses.
• Sustained high CPU or memory utilization on web servers.
• Increased error rates or response times from web applications.
• Web server access logs showing a flood of requests that deviates from normal traffic patterns.

Compensating Controls: If patching cannot be performed immediately, implement the following compensating controls to mitigate risk:

• Rate Limiting: Configure web servers, load balancers, or firewalls to limit the number of requests allowed from a single IP address over a specific time period.
• Web Application Firewall (WAF): Deploy a WAF with rules designed to detect and block denial-of-service attack patterns and traffic floods.
• IP Blocking: Use firewall rules to temporarily block source IP addresses that exhibit aggressive or suspicious request patterns.

Public Exploit Available: false

Given the high CVSS score of 7.5 and the ease of exploitation, this vulnerability poses a significant risk to service availability. We strongly recommend that organizations identify all vulnerable assets and prioritize the application of vendor-supplied patches immediately. While this CVE is not yet on the CISA KEV list, its characteristics make it an attractive target for attackers seeking to cause disruption. If patching is delayed, implementing compensating controls such as rate limiting is a critical interim step to protect business-critical services.