Detections
Analytics
Cisco Adaptive Security Appliance (ASA) Secure Firewall 3100 Series Secure Boot Bypass (cisco-sa-fw3100-secure-boot-5M8mUh26)
medium Nessus Plugin ID 168051
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Synopsis
The remote device is missing a vendor-supplied security patch.Description
According to its self-reported version, Cisco ASA Software is affected by a vulnerability in the secure boot implementation of Cisco Secure Firewalls 3100 Series that are running Cisco Adaptive Security Appliance (ASA) Software or Cisco Firepower Threat Defense (FTD) . A logic error in the boot process could allow an unauthenticated attacker with physical access to the device to bypass the secure boot functionality by executing persistent code at boot time to break the chain of trust.Please see the included Cisco BID and Cisco Security Advisory for more information.
Solution
Upgrade to the relevant fixed version referenced in Cisco bug ID CSCwb08411See Also
Plugin Details
Severity: Medium
ID: 168051
File Name: cisco-sa-fw3100-secure-boot-5M8mUh26-asa.nasl
Version: 1.6
Type: local
Family: CISCO
Published: 11/22/2022
Updated: 3/31/2023
Supported Sensors: Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 5.9
CVSS v2
Risk Factor: High
Base Score: 7.2
Temporal Score: 5.3
Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C
CVSS Score Source: CVE-2022-20826
CVSS v3
Risk Factor: Medium
Base Score: 6.8
Temporal Score: 5.9
Vector: CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/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, Host/Cisco/ASA/model
Exploit Ease: No known exploits are available
Patch Publication Date: 11/9/2022
Vulnerability Publication Date: 11/9/2022
Reference Information
CVE: CVE-2022-20826