HIGH✓ PATCH🇵🇱 Wersja polska

CVE-2020-27124

CVSS 8.6v3.1pub. 2024-11-18upd. 2025-08-01

A vulnerability in the SSL/TLS handler of Cisco Adaptive Security Appliance (ASA) Software could allow an unauthenticated, remote attacker to cause the affected device to reload unexpectedly, leading to a denial of service (DoS) condition. The vulnerability is due to improper error handling on established SSL/TLS connections. An attacker could exploit this vulnerability by establishing an SSL/TLS connection with the affected device and then sending a malicious SSL/TLS message within that connection. A successful exploit could allow the attacker to cause the device to reload.Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
  • Cisco Adaptive Security Appliance Software

    OS
    Cisco
    9.13.1.129.13.1.139.14.1.10
🟢
PATCH AVAILABLE
Vendor update available. Deploy in standard maintenance cycle.
Tags
DoS
CWE
References

Related vulnerabilities

CVE-2025-20333CRITICAL9.9⚠ KEVPL ✓ten sam produkt

RCE jako root w Cisco ASA i FTD poprzez podatny serwer VPN web

CVE-2025-20363CRITICAL9.0PL ✓ten sam produkt

RCE w web services Cisco ASA, FTD, IOS, IOS XE, IOS XR przez HTTP

CVE-2024-20329CRITICAL9.9PL ✓ten sam produkt

RCE w podsystemie SSH Cisco ASA — wykonanie poleceń jako root

CVE-2020-3125CRITICAL9.8ten sam produkt

A vulnerability in the Kerberos authentication feature of Cisco Adaptive Security Appliance (ASA) Software cou...

CVE-2020-3187CRITICAL9.1ten sam produkt

A vulnerability in the web services interface of Cisco Adaptive Security Appliance (ASA) Software and Cisco Fi...