Vulnerability-Lookup

CNVD-2021-07250

Vulnerability from cnvd - Published: 2021-01-28

Title

Phoenix Contact PLCnext Control Devices输入验证错误漏洞

Description

Phoenix Contact PLCnext Control Devices是德国Phoenix Contact公司的一款应用于工业环境可编程逻辑控制器。 Phoenix Contact PLCnext Control Devices 2021.0 LTS之前版本存在输入验证错误漏洞，该漏洞源于一个特别设计的LLDP包可能会导致PROFINET堆栈中的高系统负载。攻击者可利用该漏洞可能导致系统服务失败或完全重新引导。

Severity

中

Formal description

厂商尚未提供漏洞修复方案，请关注厂商主页更新： https://cert.vde.com/en-us/advisories/vde-2020-049

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-12521

Impacted products

Name
PHOENIX CONTACT Phoenix Contact PLCnext Control Devices <2021.0 LTS

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-12521",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-12521"
    }
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  "formalWay": "\u5382\u5546\u5c1a\u672a\u63d0\u4f9b\u6f0f\u6d1e\u4fee\u590d\u65b9\u6848\uff0c\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u66f4\u65b0\uff1a\r\nhttps://cert.vde.com/en-us/advisories/vde-2020-049",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-07250",
  "openTime": "2021-01-28",
  "products": {
    "product": "PHOENIX CONTACT Phoenix Contact PLCnext Control Devices \u003c2021.0 LTS"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-12521",
  "serverity": "\u4e2d",
  "submitTime": "2020-12-18",
  "title": "Phoenix Contact PLCnext Control Devices\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e"
}

CVE-2020-12521 (GCVE-0-2020-12521)

Vulnerability from cvelistv5 – Published: 2020-12-17 22:43 – Updated: 2024-09-17 04:14

Title

Phoenix Contact PLCnext Control Devices versions before 2021.0 LTS: A specially crafted LLDP packet may lead to a high system load in the PROFINET stack.

Summary

On Phoenix Contact PLCnext Control Devices versions before 2021.0 LTS a specially crafted LLDP packet may lead to a high system load in the PROFINET stack. An attacker can cause failure of system services or a complete reboot.

Severity

6.5 (Medium)


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

CWE

CWE-20 - Improper Input Validation

Assigner

CERTVDE icscert root

References

1 reference

URL	Tags
https://cert.vde.com/en-us/advisories/vde-2020-049	x_refsource_CONFIRM

Impacted products

6 products

Vendor	Product	Version
Phoenix Contact	AXC F 1152 (1151412)	Affected: unspecified , < 2021.0 LTS (custom)
Phoenix Contact	AXC F 2152 (2404267)	Affected: unspecified , < 2021.0 LTS (custom)
Phoenix Contact	AXC F 3152 (1069208)	Affected: unspecified , < 2021.0 LTS (custom)
Phoenix Contact	RFC 4072S (1051328	Affected: unspecified , < 2021.0 LTS (custom)
Phoenix Contact	AXC F 2152 Starterkit (1046568)	Affected: unspecified , < 2021.0 LTS (custom)
Phoenix Contact	PLCnext Technology Starterkit (1188165)	Affected: unspecified , < 2021.0 LTS (custom)

Date Public

2020-12-17 00:00

Credits

Phoenix Contact reported to CERT@VDE

Show details on NVD website

JSON

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Sightings

Author	Source	Type	Date	Other

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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CNVD-2021-07250

CVE-2020-12521 (GCVE-0-2020-12521)

Tags

Sightings

Nomenclature

Related by attack behaviour