CVE-2022-20737 is a denial of service (DoS) and information disclosure vulnerability affecting Cisco Adaptive Security Appliance (ASA) Software when using the Clientless SSL VPN portal. This flaw, rated High severity (CVSS 7.1), stems from insufficient bounds checking during HTTP authentication message parsing, allowing an authenticated, remote attacker to trigger a device reload or retrieve sensitive process memory. While requiring an authenticated attacker to control a web server accessible via the VPN portal, there is currently no public exploit code, active exploitation, or significant community discussion reported.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 9.12.4.38CPE matchmatch criteria | cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:* | ||
>= 9.13.0, < 9.14.4CPE matchmatch criteria | cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:* | ||
>= 9.15.0, < 9.15.1.21CPE matchmatch criteria | cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:* | ||
>= 9.16.0, < 9.16.2.14CPE matchmatch criteria | cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:* | ||
>= 9.17.0, < 9.17.1.7CPE matchmatch criteria | cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:H
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