Detections
Analytics
Cisco Adaptive Security Appliance Software Remote Access SSL VPN DoS (cisco-sa-asa-dos-tL4uA4AA)
high Nessus Plugin ID 161869
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Synopsis
The remote device is missing a vendor-supplied security patchDescription
A vulnerability in the remote access SSL VPN features of Cisco Adaptive Security Appliance (ASA) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device.This vulnerability is due to improper validation of errors that are logged as a result of client connections that are made using remote access VPN. An attacker could exploit this vulnerability by sending crafted requests to an affected system.
Please see the included Cisco BIDs and Cisco Security Advisory for more information.
Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.
Solution
Upgrade to the relevant fixed version referenced in Cisco bug ID CSCwa04461See Also
http://www.nessus.org/u?3087735a
https://tools.cisco.com/security/center/viewErp.x?alertId=ERP-74836
Plugin Details
Severity: High
ID: 161869
File Name: cisco-sa-asa-dos-tL4uA4AA-asa.nasl
Version: 1.7
Type: local
Family: CISCO
Published: 6/6/2022
Updated: 11/16/2023
Supported Sensors: Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 4.4
CVSS v2
Risk Factor: High
Base Score: 7.8
Temporal Score: 5.8
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C
CVSS Score Source: CVE-2022-20715
CVSS v3
Risk Factor: High
Base Score: 8.6
Temporal Score: 7.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
CPE: cpe:/a:cisco:adaptive_security_appliance_software
Required KB Items: Host/Cisco/ASA/model
Exploit Ease: No known exploits are available
Patch Publication Date: 4/27/2022
Vulnerability Publication Date: 4/27/2022
Reference Information
CVE: CVE-2022-20715