CVE-2026-0393 | BDVDB-2026-334274 Detail

CODESYSVisualization

Description#

The affected product may expose credentials remotely between low privileged visualization users during concurrent login operations due to insufficient isolation of authentication data. The vulnerability affects only login operations within an active visualization session.

Impact#

Per CVSS v4.0: confidentiality impact high, integrity impact none, availability impact none. Attack vector: network.

Weaknesses#

CWE-522 Insufficiently Protected Credentials

References#

https://codesys.csaf-tp.certvde.com/.well-known/csaf/white/2026/advisory2026-07_vde-2026-052.json

Exploit#

No public exploit known

History#

Version 12026-05-21Record published in the CVE List.

Published

Published: 2026-05-21
Last modified: 2026-05-21

Vendor information

Vendor: CODESYS
Product: Visualization

All CODESYS vulnerabilities

Score

6.9 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 15.7.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Credential Exposure

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
>= 1.0.0.0 and < 4.10.0.0
Fixed
4.10.0.0

Scoring System

CVSS v4.0

6.9 Medium

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Attack Requirements	None
Privileges Required	Low
User Interaction	Passive
Vulnerable System Confidentiality	High
Vulnerable System Integrity	None
Vulnerable System Availability	None
Subsequent System Confidentiality	None
Subsequent System Integrity	None
Subsequent System Availability	None

CVSS v3.1

Not available

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).