Kaseya VSA < 9.5.7a Multiple Vulnerabilities

critical Nessus Plugin ID 151494

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Synopsis

The Kaseya VSA instance installed on the remote host is affected by multiple vulnerabilities

Description

The version of Kaseya VSA installed on the remote host is affected by multiple vulnerabilities as referenced in the vendor advisory:

- Credentials leak and business logic flaw. (CVE-2021-30116)

- Cross-Site Scripting vulnerability (XSS). (CVE-2021-30119)

- 2FA Authentication bypass. (CVE-2021-30120)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update to Kaseya VSA version 9.5.7a or later.

Plugin Details

Severity: Critical

ID: 151494

File Name: kaseya_9_5_7_2994.nasl

Version: 1.10

Type: remote

Family: Misc.

Published: 7/12/2021

Updated: 4/25/2023

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.2

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

CVSS Score Source: CVE-2021-30116

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 9.1

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

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

Vulnerability Information

CPE: cpe:/a:kaseya:virtual_system_administrator, cpe:/a:kaseya:vsa

Required KB Items: installed_sw/Kaseya Virtual System Administrator

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 7/11/2021

Vulnerability Publication Date: 7/9/2021

CISA Known Exploited Vulnerability Due Dates: 11/17/2021

Reference Information

CVE: CVE-2021-30116, CVE-2021-30119, CVE-2021-30120

Detections

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