Cisco Secure Web Appliance Privilege Escalation (cisco-sa-wsa-prv-esc-nPzWZrQj)

high Nessus Plugin ID 143153
New! Vulnerability Priority Rating (VPR)

Tenable calculates a dynamic VPR for every vulnerability. VPR combines vulnerability information with threat intelligence and machine learning algorithms to predict which vulnerabilities are most likely to be exploited in attacks. Read more about what VPR is and how it is different from CVSS.

VPR Score: 5.9

Synopsis

The remote device is missing a vendor-supplied security patch (cisco-sa-wsa-prv-esc-nPzWZrQj)

Description

According to its self-reported version, Cisco Web Security Appliance (WSA) is affected by an input-validation flaw related to the log subscription subsystem that allows an authenticated, local attacker to escalate privileges to root user via command injection.

Solution

Upgrade to the relevant fixed version referenced in Cisco bug ID CSCvs65863

See Also

http://www.nessus.org/u?78f93d77

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvs65863

Plugin Details

Severity: High

ID: 143153

File Name: cisco-sa-wsa-prv-esc-nPzWZrQj.nasl

Version: 1.9

Type: local

Family: CISCO

Published: 11/20/2020

Updated: 3/29/2021

Dependencies: cisco_wsa_version.nasl

Risk Information

Risk Factor: High

VPR Score: 5.9

CVSS Score Source: CVE-2020-3367

CVSS v2.0

Base Score: 7.2

Temporal Score: 5.3

Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C

Temporal Vector: E:U/RL:OF/RC:C

CVSS v3.0

Base Score: 7.8

Temporal Score: 6.8

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

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

Vulnerability Information

CPE: cpe:/o:cisco:web_security_appliance_(wsa)

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: 11/18/2020

Vulnerability Publication Date: 11/18/2020

Reference Information

CVE: CVE-2020-3367

CISCO-BUG-ID: CSCvs65863

CISCO-SA: cisco-sa-wsa-prv-esc-nPzWZrQj

IAVA: 2020-A-0542

CWE: 78