Vulnerability-Lookup

CNVD-2021-101689

Vulnerability from cnvd - Published: 2021-12-23

Title

emlog远程代码执行漏洞（CNVD-2021-101689）

Description

Emlog是Emlog个人开发者的一套基于PHP和MySQL的CMS建站系统。 Emlog在5.3.1版本存在远程代码执行漏洞，该漏洞源于外部输入数据构造代码段的过程中，网络系统或产品未能正确过滤其中的特殊元素。攻击者可利用该漏洞进行远程代码执行。

Severity

高

Formal description

厂商尚未提供漏洞修复方案，请关注厂商主页更新： https://github.com/emlog/emlog/issues/108

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-40883

Impacted products

Name
emlog emlog 5.3.1

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-40883",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-40883"
    }
  },
  "description": "Emlog\u662fEmlog\u4e2a\u4eba\u5f00\u53d1\u8005\u7684\u4e00\u5957\u57fa\u4e8ePHP\u548cMySQL\u7684CMS\u5efa\u7ad9\u7cfb\u7edf\u3002\n\nEmlog\u57285.3.1\u7248\u672c\u5b58\u5728\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5916\u90e8\u8f93\u5165\u6570\u636e\u6784\u9020\u4ee3\u7801\u6bb5\u7684\u8fc7\u7a0b\u4e2d\uff0c\u7f51\u7edc\u7cfb\u7edf\u6216\u4ea7\u54c1\u672a\u80fd\u6b63\u786e\u8fc7\u6ee4\u5176\u4e2d\u7684\u7279\u6b8a\u5143\u7d20\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u8fdb\u884c\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\u3002",
  "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://github.com/emlog/emlog/issues/108",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-101689",
  "openTime": "2021-12-23",
  "products": {
    "product": "emlog emlog 5.3.1"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-40883",
  "serverity": "\u9ad8",
  "submitTime": "2021-12-19",
  "title": "emlog\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e\uff08CNVD-2021-101689\uff09"
}

CVE-2021-40883 (GCVE-0-2021-40883)

Vulnerability from cvelistv5 – Published: 2021-12-14 18:05 – Updated: 2024-08-04 02:51

Summary

A Remote Code Execution (RCE) vulnerability exists in emlog 5.3.1 via content/plugins.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

1 reference

URL	Tags
https://github.com/emlog/emlog/issues/108	x_refsource_MISC

Show details on NVD website

JSON

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      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T02:51:07.722Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/emlog/emlog/issues/108"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
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      ],
      "descriptions": [
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          "value": "A Remote Code Execution (RCE) vulnerability exists in emlog 5.3.1 via content/plugins."
        }
      ],
      "problemTypes": [
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            {
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              "type": "text"
            }
          ]
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      ],
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        "dateUpdated": "2021-12-14T18:05:07.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/emlog/emlog/issues/108"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2021-40883",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
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                },
                "vendor_name": "n/a"
              }
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        "description": {
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                  "lang": "eng",
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        "references": {
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            {
              "name": "https://github.com/emlog/emlog/issues/108",
              "refsource": "MISC",
              "url": "https://github.com/emlog/emlog/issues/108"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2021-40883",
    "datePublished": "2021-12-14T18:05:07.000Z",
    "dateReserved": "2021-09-13T00:00:00.000Z",
    "dateUpdated": "2024-08-04T02:51:07.722Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

Detection rules are retrieved from Rulezet.

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.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

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CNVD-2021-101689

CVE-2021-40883 (GCVE-0-2021-40883)

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Nomenclature

Related by attack behaviour