CVE-2019-12677 describes a denial-of-service vulnerability in the SSL VPN feature of Cisco Adaptive Security Appliance (ASA) Software. An authenticated, remote attacker can exploit this by opening numerous SSL VPN sessions, leading to memory allocation errors that prevent new SSL/TLS connections to the device. This vulnerability carries a CVSS score of 6.5 (Medium), indicating a network-based attack with low complexity requiring valid user credentials, resulting in high availability impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 9.3, < 9.3.3.9CPE matchmatch criteria | cpe:2.3:a:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:* | ||
< 9.1.7.4CPE matchmatch criteria | cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:* | ||
>= 9.2, < 9.2.4.8CPE matchmatch criteria | cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:* | ||
>= 9.4, < 9.4.2.11CPE matchmatch criteria | cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:* | ||
>= 9.5, < 9.5.2.5CPE matchmatch criteria | cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
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