CVE-2021-33535 (GCVE-0-2021-33535)

Vulnerability from cvelistv5 – Published: 2021-06-25 18:26 – Updated: 2024-09-17 01:15
VLAI?
Summary
In Weidmueller Industrial WLAN devices in multiple versions an exploitable format string vulnerability exists in the iw_console conio_writestr functionality. A specially crafted time server entry can cause an overflow of the time server buffer, resulting in remote code execution. An attacker can send commands while authenticated as a low privilege user to trigger this vulnerability.
Severity ?
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-134 - Use of Externally-Controlled Format String
Assigner
References
Impacted products
Vendor Product Version
Weidmüller IE-WL(T)-BL-AP-CL-XX Affected: IE-WL-BL-AP-CL-EU (2536600000) , ≤ V1.16.18 (Build 18081617) (custom)
Affected: IE-WLT-BL-AP-CL-EU (2536650000) , ≤ V1.16.18 (Build 18081617) (custom)
Affected: IE-WL-BL-AP-CL-US (2536660000) , ≤ V1.16.18 (Build 18081617) (custom)
Affected: IE-WLT-BL-AP-CL-US (2536670000) , ≤ V1.16.18 (Build 18081617) (custom)
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    Weidmüller IE-WL(T)-VL-AP-CL-XX Affected: IE-WL-VL-AP-BR-CL-EU (2536680000) , ≤ V1.11.10 (Build 18122616) (custom)
Affected: IE-WLT-VL-AP-BR-CL-EU (2536690000) , ≤ V1.11.10 (Build 18122616) (custom)
Affected: IE-WL-VL-AP-BR-CL-US (2536700000) , ≤ V1.11.10 (Build 18122616) (custom)
Affected: IE-WLT-VL-AP-BR-CL-US (2536710000) , ≤ V1.11.10 (Build 18122616) (custom)
Create a notification for this product.
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      "descriptions": "[{\"lang\": \"en\", \"value\": \"In Weidmueller Industrial WLAN devices in multiple versions an exploitable format string vulnerability exists in the iw_console conio_writestr functionality. A specially crafted time server entry can cause an overflow of the time server buffer, resulting in remote code execution. An attacker can send commands while authenticated as a low privilege user to trigger this vulnerability.\"}, {\"lang\": \"es\", \"value\": \"En los dispositivos Weidmueller Industrial WLAN en m\\u00faltiples versiones, se presenta una vulnerabilidad explotable de cadena de formato en la funcionalidad iw_console conio_writestr. Una entrada del servidor de tiempo especialmente dise\\u00f1ada puede causar un desbordamiento de b\\u00fafer del servidor de tiempo, resultando en una ejecuci\\u00f3n de c\\u00f3digo remota. Un atacante puede enviar comandos mientras est\\u00e1 autenticado como un usuario poco privilegiado para desencadenar esta vulnerabilidad\"}]",
      "id": "CVE-2021-33535",
      "lastModified": "2024-11-21T06:09:01.920",
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      "published": "2021-06-25T19:15:09.357",
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      "sourceIdentifier": "info@cert.vde.com",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"info@cert.vde.com\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-134\"}]}]"
    },
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  }
}


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Tags
Taxonomy of the tags.




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.