Detections
Analytics

Elspec G5 Digital Fault Recorder VsFTPd Service Denial of Service (CVE-2021-30047)

high Tenable OT Security Plugin ID 502820

Synopsis

The remote OT asset is affected by a vulnerability.

Description

Outdated vsftpd service with known DoS issue.

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.

Solution

Refer to the vendor advisory.

See Also

https://www.elspec-ltd.com/support/security-advisories/

Plugin Details

Severity: High

ID: 502820

Version: 1.2

Type: remote

Family: Tenable.ot

Published: 1/27/2025

Updated: 1/28/2025

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.1

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

CVSS Score Source: CVE-2021-30047

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

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

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

Vulnerability Information

CPE: cpe:/o:elspec:elspec-g5

Required KB Items: Tenable.ot/Elspec

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 3/18/2024

Vulnerability Publication Date: 3/18/2024

Reference Information

CVE: CVE-2021-30047

CWE: 787