Detections
Analytics
Cisco Secure Web Appliance < 14.5.0-537 Privilege Escalation (cisco-sa-wsa-prv-esc-8PdRU8t8)
high Nessus Plugin ID 164290
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Synopsis
The remote device is missing a vendor-supplied security patch.Description
According to its self-reported version, Cisco Web Security Appliance (WSA) is affected by a privilege escalation vulnerability. This vulnerability is due to insufficient validation of user-supplied input for the web interface. An authenticated, remote attacker could exploit this vulnerability to elevate to root privileges by authenticating to the system and sending a crafted HTTP packet to the affected device.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 CSCwb92675See Also
Plugin Details
Severity: High
ID: 164290
File Name: cisco-sa-wsa-prv-esc-8PdRU8t8.nasl
Version: 1.12
Type: combined
Family: CISCO
Published: 8/19/2022
Updated: 8/12/2025
Supported Sensors: Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 6.7
CVSS v2
Risk Factor: High
Base Score: 9
Temporal Score: 6.7
Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C
CVSS Score Source: CVE-2022-20871
CVSS v3
Risk Factor: High
Base Score: 8.8
Temporal Score: 7.7
Vector: CVSS:3.0/AV:N/AC:L/PR:L/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:/o:cisco:asyncos, cpe:/o:cisco:web_security_appliance, cpe:/a:cisco:web_security_appliance, cpe:/h:cisco:web_security_appliance
Required KB Items: Host/AsyncOS/Cisco Web Security Appliance/DisplayVersion, Host/AsyncOS/Cisco Web Security Appliance/Version
Exploit Ease: No known exploits are available
Patch Publication Date: 8/17/2022
Vulnerability Publication Date: 8/17/2022
Reference Information
CVE: CVE-2022-20871