Vulnerability-Lookup

CNVD-2021-04428

Vulnerability from cnvd - Published: 2021-01-20

Title

Crimson空指针解引用漏洞

Description

Crimson是Red Lion推出的一款编程软件。 Crimson中的协议转换器存在空指针解引用漏洞。攻击者可通过发送特制数据包利用该漏洞导致设备重新启动。

Severity

高

Patch Name

Crimson空指针解引用漏洞的补丁

Patch Description

Crimson是Red Lion推出的一款编程软件。 Crimson中的协议转换器存在空指针解引用漏洞。攻击者可通过发送特制数据包利用该漏洞导致设备重新启动。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://www.redlion.net/support/software-firmware/red-lion-software/crimson/crimson-31

Reference

https://us-cert.cisa.gov/ics/advisories/icsa-21-005-04

Impacted products

Name
Red Lion Crimson 3.1

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-27279",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-27279"
    }
  },
  "description": "Crimson\u662fRed Lion\u63a8\u51fa\u7684\u4e00\u6b3e\u7f16\u7a0b\u8f6f\u4ef6\u3002\n\nCrimson\u4e2d\u7684\u534f\u8bae\u8f6c\u6362\u5668\u5b58\u5728\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u53d1\u9001\u7279\u5236\u6570\u636e\u5305\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u8bbe\u5907\u91cd\u65b0\u542f\u52a8\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://www.redlion.net/support/software-firmware/red-lion-software/crimson/crimson-31",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-04428",
  "openTime": "2021-01-20",
  "patchDescription": "Crimson\u662fRed Lion\u63a8\u51fa\u7684\u4e00\u6b3e\u7f16\u7a0b\u8f6f\u4ef6\u3002\r\n\r\nCrimson\u4e2d\u7684\u534f\u8bae\u8f6c\u6362\u5668\u5b58\u5728\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u53d1\u9001\u7279\u5236\u6570\u636e\u5305\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u8bbe\u5907\u91cd\u65b0\u542f\u52a8\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Crimson\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Red Lion Crimson 3.1"
  },
  "referenceLink": "https://us-cert.cisa.gov/ics/advisories/icsa-21-005-04",
  "serverity": "\u9ad8",
  "submitTime": "2021-01-06",
  "title": "Crimson\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u6f0f\u6d1e"
}

CVE-2020-27279 (GCVE-0-2020-27279)

Vulnerability from cvelistv5 – Published: 2021-01-06 15:03 – Updated: 2026-06-02 20:09

Summary

A NULL pointer deference vulnerability has been identified in the protocol converter. An attacker could send a specially crafted packet that could reboot the device running Crimson 3.1 (Build versions prior to 3119.001).

Severity

7.5 (High)


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

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-06-02 20:09 UTC

CWE

CWE-476 - NULL POINTER DEREFERENCE CWE-476

Assigner

icscert icscert root

References

1 reference

URL	Tags
https://us-cert.cisa.gov/ics/advisories/icsa-21-005-04	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
n/a	Crimson 3.1	Affected: Build versions prior to 3119.001

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T16:11:36.610Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-005-04"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 7.5,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "NONE",
              "integrityImpact": "NONE",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2020-27279",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-06-02T20:09:04.882994Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-06-02T20:09:13.201Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Crimson 3.1",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "Build versions prior to 3119.001"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A NULL pointer deference vulnerability has been identified in the protocol converter. An attacker could send a specially crafted packet that could reboot the device running Crimson 3.1 (Build versions prior to 3119.001)."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-476",
              "description": "NULL POINTER DEREFERENCE CWE-476",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-01-06T15:03:47.000Z",
        "orgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6",
        "shortName": "icscert"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-005-04"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "ics-cert@hq.dhs.gov",
          "ID": "CVE-2020-27279",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Crimson 3.1",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "Build versions prior to 3119.001"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "A NULL pointer deference vulnerability has been identified in the protocol converter. An attacker could send a specially crafted packet that could reboot the device running Crimson 3.1 (Build versions prior to 3119.001)."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "NULL POINTER DEREFERENCE CWE-476"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://us-cert.cisa.gov/ics/advisories/icsa-21-005-04",
              "refsource": "MISC",
              "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-005-04"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6",
    "assignerShortName": "icscert",
    "cveId": "CVE-2020-27279",
    "datePublished": "2021-01-06T15:03:47.000Z",
    "dateReserved": "2020-10-19T00:00:00.000Z",
    "dateUpdated": "2026-06-02T20:09:13.201Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.
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Action not permitted

CNVD-2021-04428

CVE-2020-27279 (GCVE-0-2020-27279)

Tags

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