Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software Remote Access SSL VPN Denial of Service Vulnerability
A vulnerability in the Remote Access SSL VPN service for Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause the device to reload unexpectedly, resulting in a denial of service (DoS) condition. This vulnerability is due to insufficient error checking when processing HTTP requests. An attacker could exploit this vulnerability by sending a crafted HTTP request to the Remote Access SSL VPN service on an affected device. A successful exploit could allow the attacker to caus
Read at Cisco PSIRT Security Advisories
- Vendor
- Cisco
- Product
- ASA, Firepower / FTD
- Exposure class
- Edge / VPN / firewall
Why it ranks 32 (Notable)
- Exposed product class: edge / VPN / firewall
- Widely deployed vendor product (Cisco)
- Covered by 2 independent sources
- Vendor security advisory
- Recency: items published within 24 hours gain 15, within 72 hours 6, within 7 days 2.
Links
- Cisco PSIRT Security Advisories (sec.cloudapps.cisco.com)
- CVE-2026-20349 on this site · NVD · CVE.org · Vulnpedia
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