Skip to content
Fencer Vulns
high 7.5

CVE-2024-8175 json

CODESYS: web server vulnerable to DoS

published 2024-09-25 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-48999

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 50%
public exploits
0
none known

Summary

An unauthenticated remote attacker can causes the CODESYS web server to access invalid memory which results in a DoS.

Patch / fix

  • CODESYS CODESYS Control for BeagleBone SL 4.14.0.0
  • CODESYS CODESYS Control for emPC-A/iMX6 SL 4.14.0.0
  • CODESYS CODESYS Control for IOT2000 SL 4.14.0.0
  • CODESYS CODESYS Control for Linux ARM SL 4.14.0.0
  • CODESYS CODESYS Control for Linux SL 4.14.0.0
  • CODESYS CODESYS Control for PFC100 SL 4.14.0.0
  • CODESYS CODESYS Control for PFC200 SL 4.14.0.0
  • CODESYS CODESYS Control for PLCnext SL 4.14.0.0
  • CODESYS CODESYS Control for Raspberry Pi SL 4.14.0.0
  • CODESYS CODESYS Control for WAGO Touch Panels 600 SL 4.14.0.0
  • CODESYS CODESYS Control RTE (for Beckhoff CX) SL 3.5.20.30
  • CODESYS CODESYS Control RTE (SL) 3.5.20.30
  • CODESYS CODESYS Control Win (SL) 3.5.20.30
  • CODESYS CODESYS Embedded Target Visu Toolkit 3.5.20.30
  • CODESYS CODESYS HMI (SL) 3.5.20.30
  • CODESYS CODESYS Remote Target Visu Toolkit 3.5.20.30
  • CODESYS CODESYS Runtime Toolkit 3.5.20.30
  • CODESYS CODESYS Virtual Control SL 4.14.0.0
  • codesys runtime_toolkit 3.5.20.30, 4.14.0.0
  • codesys control_rte_\(for_beckhoff_cx\)_sl 3.5.20.30
  • codesys virtual_control_sl 4.14.0.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-26-076-01 updated cvss 7.5

CODESYS in Festo Automation Suite

  • CODESYS Development System 3.0 Festo Automation Suite 2.8.0.137, Festo Automation Suite < 2.8.0.138 CODESYS Development System 3.5.16.10 Festo Automation Suite 2.8.0.137, Festo Automation Suite < 2.8.0.138
    affected: mitigation
  • Festo Automation Suite 2.8.0.138 CODESYS Development System 3.5.21.20
    fixed

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.62% chance of exploitation in the next 30 days, higher than 50% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

  • CODESYS CODESYS Control for BeagleBone SL
  • CODESYS CODESYS Control for emPC-A/iMX6 SL
  • CODESYS CODESYS Control for IOT2000 SL
  • CODESYS CODESYS Control for Linux ARM SL
  • CODESYS CODESYS Control for Linux SL
  • CODESYS CODESYS Control for PFC100 SL
  • CODESYS CODESYS Control for PFC200 SL
  • CODESYS CODESYS Control for PLCnext SL
  • CODESYS CODESYS Control for Raspberry Pi SL
  • CODESYS CODESYS Control for WAGO Touch Panels 600 SL
  • CODESYS CODESYS Control RTE (for Beckhoff CX) SL
  • CODESYS CODESYS Control RTE (SL)
  • CODESYS CODESYS Control Win (SL)
  • CODESYS CODESYS Embedded Target Visu Toolkit
  • CODESYS CODESYS HMI (SL)
  • CODESYS CODESYS Remote Target Visu Toolkit
  • CODESYS CODESYS Runtime Toolkit
  • CODESYS CODESYS Virtual Control SL
  • codesys runtime_toolkit
  • codesys control_rte_\(for_beckhoff_cx\)_sl
  • codesys virtual_control_sl

Classification

Weakness
  • CWE-754 Improper Check for Unusual or Exceptional Conditions

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.