github - ghsa-93x3-2r5r-4375

GHSA-93X3-2R5R-4375

Vulnerability from github – Published: 2022-05-24 19:18 – Updated: 2025-08-15 21:31

Details

A crafted request may cause a read access to an uninitialized pointer in CODESYS V2 Runtime Toolkit 32 Bit full and PLCWinNT prior to versions V2.4.7.56, resulting in a denial-of-service condition.

Severity ?

6.5 (Medium)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2021-34596"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-824"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2021-10-26T10:15:00Z",
    "severity": "MODERATE"
  },
  "details": "A crafted request may cause a read access to an uninitialized pointer in CODESYS V2 Runtime Toolkit 32 Bit full and PLCWinNT prior to versions V2.4.7.56, resulting in a denial-of-service condition.",
  "id": "GHSA-93x3-2r5r-4375",
  "modified": "2025-08-15T21:31:14Z",
  "published": "2022-05-24T19:18:51Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-34596"
    },
    {
      "type": "WEB",
      "url": "https://customers.codesys.com/index.php?eID=dumpFile\u0026t=f\u0026f=16878\u0026token=e5644ec405590e66aefa62304cb8632df9fc9e9c\u0026download="
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2021-34596 (GCVE-0-2021-34596)

Vulnerability from cvelistv5 – Published: 2021-10-26 09:55 – Updated: 2024-09-16 22:40

Summary

A crafted request may cause a read access to an uninitialized pointer in CODESYS V2 Runtime Toolkit 32 Bit full and PLCWinNT prior to versions V2.4.7.56, resulting in a denial-of-service condition.

Severity ?

6.5 (Medium)


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

CWE

CWE-824 - Access of Uninitialized Pointer

Assigner

CERTVDE

References

URL

Tags

https://customers.codesys.com/index.php?eID=dumpF…

x_refsource_CONFIRM

Impacted products

	Vendor	Product	Version
	CODESYS	CODESYS V2	Affected: Runtime Toolkit 32 bit full , < V2.4.7.56 (custom) Affected: PLCWinNT , < V2.4.7.56 (custom)

Credits

This issue was reported by Gao Jian of NSFOCUS.

Show details on NVD website

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-93X3-2R5R-4375

CVE-2021-34596 (GCVE-0-2021-34596)

Tags

Sightings

Nomenclature