Cisco · Secure Firewall ASA Software and Cisco Secure FTD Software
CVE-2026-76418
Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software Remote Access SSL VPN Tunnel Denial of Service Vulnerability
Τι είναι
A vulnerability in the Remote Access SSL VPN service of 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 logic errors when secondary authentication is configured on a tunnel group. An attacker could exploit this vulnerability by sending a crafted request when connecting to the SSL remote access VPN. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a DoS condition.
CISA: Cisco Secure Firewall ASA Software and Cisco Secure FTD Software contains an unchecked return value to NULL pointer dereference vulnerability that could allow an unauthenticated, remote attacker to cause the device to reload unexpectedly, resulting in a denial of service (DoS) condition.
Τι να κάνετε
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
Προθεσμία για τις ομοσπονδιακές υπηρεσίες των ΗΠΑ: 1 Νοεμβρίου 2026
Περισσότερα κενά ασφαλείας της Cisco που αξιοποιούνται
| Προστέθηκε | Ευπάθεια | Προϊόν | Σοβαρότητα | Πιθανότητα επίθεσης |
|---|---|---|---|---|
| 10 Νοε 2026 | Improper Restriction of XML External Entity Reference | BroadWorks | Υψηλή 7,5 | 0,8% |
| 14 Οκτ 2026 | Relative Path Traversal | Secure Email Gateway | Κρίσιμη 9,8 | 6,2% |
| 30 Σεπ 2026 | Hex Encoding | Catalyst SD-WAN Manager | Κρίσιμη 9,8 | 39% |
| 16 Σεπ 2026 | Incorrect Use of Privileged APIs | Identity Services Engine | Κρίσιμη 10,0 | 76% |
| 14 Σεπ 2026 | SQL Injection | Secure Email Gateway | Κρίσιμη 9,8 | 40% |
| 9 Σεπ 2026 | Firewall Management Center Authentication Bypass Using an Alternate Path or Channel | Secure Firewall Management Center (FMC) and Security Cloud Control (SCC) Firewall Management | Κρίσιμη 10,0 | 89% |
| 11 Αυγ 2026 | Secure Firewall Adaptive Security Appliance (ASA) and Secure Firewall Threat Defense (FTD) Heap Inspection | Secure Firewall Adaptive Security Appliance (ASA) and Secure Firewall Threat Defense (FTD) | Υψηλή 8,6 | 1,0% |
| 29 Ιουλ 2026 | Secure Firewall Management Center Use of Hard-coded Password | Secure Firewall Management Center (FMC) | Μέτρια 5,3 | 35% |
Πηγές: Known Exploited Vulnerabilities (CISA, δημόσιος τομέας), CVE records (cve.org) και EPSS (FIRST). Η πιθανότητα επίθεσης είναι η εκτίμηση EPSS ότι κάποιος θα προσπαθήσει να εκμεταλλευτεί το κενό τις επόμενες 30 ημέρες.