7.7

CVE-2026-20105

Warnung
A vulnerability in the Remote Access SSL VPN functionality of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Secure Firewall Threat Defense (FTD) Software could allow an authenticated, remote attacker with a valid VPN connection to exhaust device memory resulting in a denial of service (DoS) condition.This does not affect the management or MUS interfaces.

 This vulnerability is due to trusting user input without validation. An attacker could exploit this vulnerability by sending crafted packets to the Remote Access SSL VPN server. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Cisco ≫ Adaptive Security Appliance Software Version >= 9.12.1 < 9.16.4.85
Cisco ≫ Adaptive Security Appliance Software Version >= 9.17.1 < 9.18.4.66
Cisco ≫ Adaptive Security Appliance Software Version >= 9.19.1 < 9.20.4
Cisco ≫ Adaptive Security Appliance Software Version >= 9.22.1.1 < 9.22.2.4
Cisco ≫ Adaptive Security Appliance Software Version >= 9.23.1 < 9.23.1.7
Cisco ≫ Secure Firewall Threat Defense Version >= 6.4.0 < 7.0.9
Cisco ≫ Secure Firewall Threat Defense Version >= 7.1.0 < 7.2.11
Cisco ≫ Secure Firewall Threat Defense Version >= 7.3.0 < 7.4.3
Cisco ≫ Secure Firewall Threat Defense Version >= 7.6.0 < 7.6.4
Cisco ≫ Secure Firewall Threat Defense Version >= 7.7.0 < 7.7.11
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.32% 0.23
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
Cisco PSIRT 7.7 3.1 4
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
CWE-401 Missing Release of Memory after Effective Lifetime

The product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse.

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-vpn-m9sx6MbC
Vendor Advisory