Codesys Runtime Improper Limitation of a Pathname

Description

The CODESYS runtime system in multiple versions allows an remote low privileged attacker to use a path traversal vulnerability to access and modify all system files as well as DoS the device.

Scores

EPSS (exploitation in 30 days)

1.0% · top 36% of all CVEs (5 Nov 2026)

CISA SSVC

Exploitation: none · Automatable: no · Technical impact: total

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.8.

Weakness

• CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') (opens in a new tab)All about CWE-22 and its CVEs

Affected products

• CODESYS · Control for BeagleBone

  • affected 3.0.0.0 – < 3.5.12.30

• CODESYS · Control for emPC-A/iMX6

  • affected 3.0.0.0 – < 3.5.12.30

• CODESYS · Control for IOT2000

  • affected 3.0.0.0 – < 3.5.12.30

• CODESYS · Control for PFC100

  • affected 3.0.0.0 – < 3.5.12.30

• CODESYS · Control for PFC200

  • affected 3.0.0.0 – < 3.5.12.30

• CODESYS · Control for Raspberry Pi

  • affected 3.0.0.0 – < 3.5.12.30

• CODESYS · Control RTE V3 (all variants)

  • affected 3.0.0.0 – < 3.5.12.30

• CODESYS · Control Win V3 (all variants)

  • affected 3.0.0.0 – < 3.5.12.30

• CODESYS · V3 Simulation Runtime (part of the CODESYS Development System)

  • affected 3.0.0.0 – < 3.5.12.30

• CODESYS · HMI V3 (all variants)

  • affected 3.0.0.0 – < 3.5.12.30

• CODESYS · V3 Remote Target Visu (all variants)

  • affected 3.0.0.0 – < 3.5.12.30

• CODESYS · Control V3 Runtime System Toolkit

  • affected 3.0.0.0 – < 3.5.12.30

• CODESYS · V3 Embedded Target Visu Toolkit

  • affected 3.0.0.0 – < 3.5.12.30

• CODESYS · V3 Remote Target Visu Toolkit

  • affected 3.0.0.0 – < 3.5.12.30

• CODESYS · Runtime Toolkit 32 bit embedded

  • affected 2.0.0.0 – < 2.3.2.10

• CODESYS · Runtime Toolkit 32 bit full

  • affected 2.0.0.0 – < 2.4.7.52

• CODESYS · Runtime PLCWinNT

  • affected 2.0.0.0 – < 2.4.7.52

References (1)

• https://customers.codesys.com/fileadmin/data/customers/security/2018/Advisory2018-04_CDS-59017.pdf (opens in a new tab)x_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2018-25048](https://trackcve.app/badge/CVE-2018-25048.svg)](https://trackcve.app/cve/CVE-2018-25048)

Record last updated 19 Feb 2025, 21:00 UTC.