CODESYS ENI Server < Stack Overflow (credentialed check)

critical Nessus Plugin ID 131736
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A SCADA application on the remote host is affected by a remote code execution vulnerability.


A stack-based buffer overflow condition exists in CODESYS ENI server due to improper validation of user-supplied data. An unauthenticated, remote attacker can exploit this, via a specially crafted request, to cause a denial of service condition or the execution of arbitrary code.


Upgrade CODESYS ENI server to version or higher.

See Also

Plugin Details

Severity: Critical

ID: 131736

File Name: scada_codesys_eni_server_3_2_2_25.nbin

Version: 1.19

Type: local

Agent: windows

Family: SCADA

Published: 12/6/2019

Updated: 11/29/2021

Dependencies: scada_app_codesys2_detect.nbin

Risk Information

CVSS Score Source: CVE-2019-16265


Risk Factor: Medium

Score: 5.9


Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

Temporal Vector: E:U/RL:OF/RC:C


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: E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:3s-software:codesys

Required KB Items: installed_sw/CODESYS

Exploit Ease: No known exploits are available

Patch Publication Date: 10/23/2019

Vulnerability Publication Date: 10/23/2019

Reference Information

CVE: CVE-2019-16265

IAVA: 2019-A-0435