8.7

CVE-2026-8047

Out-of-bounds Write in CODESYS Control

The affected products perform improper length checking when parsing incoming HTTP requests, resulting in a size-limited out-of-bounds write. An unauthenticated remote attacker can exploit this flaw to cause a denial of service via a system crash on the affected device.
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
HerstellerCODESYS
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Produkt CODESYS Control RTE (SL)
Default Statusunaffected
Version 3.5.21.0
Version < 3.5.22.20
Status affected
HerstellerCODESYS
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Produkt CODESYS Control RTE (for Beckhoff CX) SL
Default Statusunaffected
Version 3.5.21.0
Version < 3.5.22.20
Status affected
HerstellerCODESYS
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Produkt CODESYS Control Win (SL)
Default Statusunaffected
Version 3.5.21.0
Version < 3.5.22.20
Status affected
HerstellerCODESYS
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Produkt CODESYS HMI (SL)
Default Statusunaffected
Version 3.5.21.0
Version < 3.5.22.20
Status affected
HerstellerCODESYS
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Produkt CODESYS Runtime Toolkit
Default Statusunaffected
Version 3.5.21.0
Version < 3.5.22.20
Status affected
HerstellerCODESYS
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Produkt CODESYS Control for BeagleBone SL
Default Statusunaffected
Version 4.15.0.0
Version < 4.21.0.0
Status affected
HerstellerCODESYS
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Produkt CODESYS Control for emPC-A/iMX6 SL
Default Statusunaffected
Version 4.15.0.0
Version < 4.21.0.0
Status affected
HerstellerCODESYS
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Produkt CODESYS Control for IOT2000 SL
Default Statusunaffected
Version 4.15.0.0
Version < 4.21.0.0
Status affected
HerstellerCODESYS
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Produkt CODESYS Control for Linux ARM SL
Default Statusunaffected
Version 4.15.0.0
Version < 4.21.0.0
Status affected
HerstellerCODESYS
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Produkt CODESYS Control for Linux SL
Default Statusunaffected
Version 4.15.0.0
Version < 4.21.0.0
Status affected
HerstellerCODESYS
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Produkt CODESYS Control for PFC100 SL
Default Statusunaffected
Version 4.15.0.0
Version < 4.21.0.0
Status affected
HerstellerCODESYS
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Produkt CODESYS Control for PFC200 SL
Default Statusunaffected
Version 4.15.0.0
Version < 4.21.0.0
Status affected
HerstellerCODESYS
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Produkt CODESYS Control for PLCnext SL
Default Statusunaffected
Version 4.15.0.0
Version < 4.21.0.0
Status affected
HerstellerCODESYS
≫
Produkt CODESYS Control for Raspberry Pi SL
Default Statusunaffected
Version 4.15.0.0
Version < 4.21.0.0
Status affected
HerstellerCODESYS
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Produkt CODESYS Control for WAGO Touch Panels 600 SL
Default Statusunaffected
Version 0.0.0
Version < 4.21.0.0
Status affected
HerstellerCODESYS
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Produkt CODESYS Virtual Control SL
Default Statusunaffected
Version 4.15.0.0
Version < 4.21.0.0
Status affected
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.45% 0.353
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
info@cert.vde.com 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
info@cert.vde.com 8.7 0 0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CWE-1284 Improper Validation of Specified Quantity in Input

The product receives input that is expected to specify a quantity (such as size or length), but it does not validate or incorrectly validates that the quantity has the required properties.

https://www.certvde.com/en/advisories/VDE-2026-057/