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WinSCP < 5.17.10 RCE

critical Nessus Plugin ID 177397

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Synopsis

A file transfer application installed on the remote Windows host is affected by a remote code execution vulnerability.

Description

The version of WinSCP installed on the remote Windows host is prior to 5.17.10. It is, therefore, affected by a remote code execution vulnerability that allows remote attackers to execute arbitrary programs when the URL handler encounters a crafted URL that loads session settings. (For example, this is exploitable in a default installation in which WinSCP is the handler for sftp:// URLs.)

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

Solution

Upgrade to WinSCP version 5.17.10 or later.

See Also

https://winscp.net/tracker/1943

Plugin Details

Severity: Critical

ID: 177397

File Name: winscp_CVE-2021-3331.nasl

Version: 1.1

Type: local

Agent: windows

Family: Windows

Published: 6/16/2023

Updated: 6/19/2023

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

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

CVSS Score Source: CVE-2021-3331

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:winscp:winscp

Required KB Items: installed_sw/WinSCP

Exploit Ease: No known exploits are available

Patch Publication Date: 1/21/2021

Vulnerability Publication Date: 1/21/2021

Reference Information

CVE: CVE-2021-3331