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

high Nessus Plugin ID 143153
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VPR Score: 5.9


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


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.


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

See Also

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

IAVA: 2020-A-0542

CWE: 78