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

high Nessus Plugin ID 143153

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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

Plugin Details

Severity: High

ID: 143153

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

Version: 1.13

Type: local

Family: CISCO

Published: 11/20/2020

Updated: 6/3/2021

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-2020-3367

CVSS v3

Risk Factor: High

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: 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: 11/18/2020

Vulnerability Publication Date: 11/18/2020

Reference Information

CVE: CVE-2020-3367

CWE: 78

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

IAVA: 2020-A-0542-S

CISCO-BUG-ID: CSCvs65863

Detections

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