SolarWinds Serv-U 15.4 < 15.4 HF2 Authentication Bypass

high Nessus Plugin ID 181182

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Synopsis

The remote FTP server is affected by an authentication bypass vulnerability

Description

The version of SolarWinds Serv-U installed on the remote host is prior to 15.4 HF2. It is, therefore, affected by a vulnerability as referenced in the serv-u_15_4_hf2 advisory.

- A vulnerability has been identified within Serv-U 15.4 that, if exploited, allows an actor to bypass multi-factor/two-factor authentication. The actor must have administrator-level access to Serv-U to perform this action. The previous vulnerability (CVE-2023-35179) was not completely resolved in 15.4 Hotfix 1. (CVE-2023-40060)

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

Solution

Upgrade to Serv-U version 15.4 HF2 or later.

Plugin Details

Severity: High

ID: 181182

File Name: solarwinds_serv-u_15_4_hf2.nasl

Version: 1.6

Type: remote

Agent: windows, macosx, unix

Family: FTP

Published: 9/8/2023

Updated: 12/8/2023

Configuration: Enable thorough checks

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 8.3

Temporal Score: 6.1

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

CVSS Score Source: CVE-2023-40060

CVSS v3

Risk Factor: High

Base Score: 7.2

Temporal Score: 6.3

Vector: CVSS:3.0/AV:N/AC:L/PR:H/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:/a:solarwinds:serv-u, cpe:/a:solarwinds:serv-u_file_server, cpe:/a:serv-u:serv-u

Required KB Items: installed_sw/Serv-U

Exploit Ease: No known exploits are available

Patch Publication Date: 8/30/2023

Vulnerability Publication Date: 8/30/2023

Reference Information

CVE: CVE-2023-40060

IAVA: 2023-A-0458-S, 2023-A-0601-S

Detections

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