Vulnerability-Lookup

GHSA-34RR-QP2J-P4Q7

Vulnerability from github – Published: 2026-03-24 09:30 – Updated: 2026-03-24 09:30

Details

An unauthenticated remote attacker may be able to control the format string of messages processed by the Audit Log of the CODESYS Control runtime system, potentially resulting in a denial‑of‑service (DoS) condition.

Severity ?

7.5 (High)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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{
  "affected": [],
  "aliases": [
    "CVE-2026-3509"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-134"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-03-24T08:16:01Z",
    "severity": "HIGH"
  },
  "details": "An unauthenticated remote attacker may be able to control the format string of messages processed by the Audit Log of the CODESYS Control runtime system, potentially resulting in a denial\u2011of\u2011service (DoS) condition.",
  "id": "GHSA-34rr-qp2j-p4q7",
  "modified": "2026-03-24T09:30:31Z",
  "published": "2026-03-24T09:30:31Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-3509"
    },
    {
      "type": "WEB",
      "url": "https://certvde.com/de/advisories/VDE-2026-018"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2026-3509 (GCVE-0-2026-3509)

Vulnerability from cvelistv5 – Published: 2026-03-24 07:42 – Updated: 2026-03-26 12:35

Title

CODESYS Control Audit Log Format String DoS

Summary

Severity ?

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE

CWE-134 - Use of Externally-Controlled Format String

Assigner

CERTVDE

References

URL

Tags

https://certvde.com/de/advisories/VDE-2026-018

Impacted products

Vendor

Product

Version

CODESYS

CODESYS Control RTE (SL)

Affected: 3.5.17.0 , < 3.5.22.0 (semver)

CODESYS	CODESYS Control RTE (for Beckhoff CX) SL	Affected: 3.5.17.0 , < 3.5.22.0 (semver)
CODESYS	CODESYS Control Win (SL)	Affected: 3.5.17.0 , < 3.5.22.0 (semver)
CODESYS	CODESYS Runtime Toolkit	Affected: 3.5.17.0 , < 3.5.22.0 (semver)
CODESYS	CODESYS Control for BeagleBone SL	Affected: 4.1.0.0 , < 4.21.0.0 (semver)
CODESYS	CODESYS Control for emPC-A/iMX6 SL	Affected: 4.1.0.0 , < 4.21.0.0 (semver)
CODESYS	CODESYS Control for IOT2000 SL	Affected: 4.1.0.0 , < 4.21.0.0 (semver)
CODESYS	CODESYS Control for Linux ARM SL	Affected: 4.1.0.0 , < 4.21.0.0 (semver)
CODESYS	CODESYS Control for Linux SL	Affected: 4.1.0.0 , < 4.21.0.0 (semver)
CODESYS	CODESYS Control for PFC100 SL	Affected: 4.1.0.0 , < 4.21.0.0 (semver)
CODESYS	CODESYS Control for PFC200 SL	Affected: 4.1.0.0 , < 4.21.0.0 (semver)
CODESYS	CODESYS Control for PLCnext SL	Affected: 4.1.0.0 , < 4.21.0.0 (semver)
CODESYS	CODESYS Control for Raspberry Pi SL	Affected: 4.1.0.0 , < 4.21.0.0 (semver)
CODESYS	CODESYS Control for WAGO Touch Panels 600 SL	Affected: 4.1.0.0 , < 4.21.0.0 (semver)
CODESYS	CODESYS Virtual Control SL	Affected: 4.1.0.0 , < 4.21.0.0 (semver)

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JSON

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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-34RR-QP2J-P4Q7

CVE-2026-3509 (GCVE-0-2026-3509)

Tags

Sightings

Nomenclature