Detections
Analytics
Cisco Email Security Appliance External Authentication Bypass (cisco-sa-sma-esa-auth-bypass-66kEcxQD)
critical Nessus Plugin ID 163476
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Synopsis
The remote device is missing a vendor-supplied security patch.Description
A vulnerability in the external authentication functionality of Email Security Appliance could allow an unauthenticated, remote attacker to bypass authentication and log in to the web management interface of an affected device. This vulnerability is due to improper authentication checks when an affected device uses Lightweight Directory Access Protocol (LDAP) for external authentication. An attacker could exploit this vulnerability by entering a specific input on the login page of the affected device. A successful exploit could allow the attacker to gain unauthorized access to the web-based management interface of the affected device.Please see the included Cisco BIDs and Cisco Security Advisory for more information.
Solution
Upgrade to the relevant fixed version referenced in Cisco bug IDs CSCvx88026See Also
Plugin Details
Severity: Critical
ID: 163476
File Name: cisco-sa-esa-auth-bypass-66kEcxQD.nasl
Version: 1.6
Type: combined
Family: CISCO
Published: 7/27/2022
Updated: 3/23/2023
Supported Sensors: Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 5.9
CVSS v2
Risk Factor: Medium
Base Score: 6.8
Temporal Score: 5
Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P
CVSS Score Source: CVE-2022-20798
CVSS v3
Risk Factor: Critical
Base Score: 9.8
Temporal Score: 8.5
Vector: CVSS:3.0/AV:N/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:email_security_appliance, cpe:/o:cisco:email_security_appliance_firmware
Required KB Items: Host/AsyncOS/Cisco Email Security Appliance/Version
Exploit Ease: No known exploits are available
Patch Publication Date: 6/15/2022
Vulnerability Publication Date: 6/15/2022
Reference Information
CVE: CVE-2022-20798