Cisco Secure Web Appliance < 14.5.0-537 Privilege Escalation (cisco-sa-wsa-prv-esc-8PdRU8t8)

medium Nessus Plugin ID 164290

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 CSCwb92675

See Also

http://www.nessus.org/u?46b72955

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwb92675

Plugin Details

Severity: Medium

ID: 164290

File Name: cisco-sa-wsa-prv-esc-8PdRU8t8.nasl

Version: 1.11

Type: combined

Family: CISCO

Published: 8/19/2022

Updated: 11/8/2022

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.4

CVSS v2

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 4.8

Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:P

CVSS Score Source: CVE-2022-20871

CVSS v3

Risk Factor: Medium

Base Score: 6.3

Temporal Score: 5.5

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/h:cisco:web_security_appliance, cpe:/a:cisco:web_security_appliance, cpe:/o:cisco:web_security_appliance, cpe:/o:cisco:asyncos

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

CWE: 78

CISCO-SA: cisco-sa-wsa-prv-esc-8PdRU8t8

IAVA: 2022-A-0334-S

CISCO-BUG-ID: CSCwb92675