Vulnerability-Lookup

CVE-2023-7335 (GCVE-0-2023-7335)

Vulnerability from cvelistv5 – Published: 2026-01-22 16:55 – Updated: 2026-07-15 01:24 X_Known Exploited Vulnerability

Shadowserver Previdian

Title

EduSoho < 22.4.7 Arbitrary File Read via classroom-course-statistics

Summary

EduSoho versions prior to 22.4.7 contain an arbitrary file read vulnerability in the classroom-course-statistics export functionality. A remote, unauthenticated attacker can supply crafted path traversal sequences in the fileNames[] parameter to read arbitrary files from the server filesystem, including application configuration files such as config/parameters.yml that may contain secrets and database credentials. Exploitation evidence was observed by the Shadowserver Foundation on 2026-01-19 (UTC).

Severity

8.7 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

SSVC

Exploitation: poc Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-01-22 18:30 UTC

CWE

CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Assigner

VulnCheck mitre root

References

8 references

URL	Tags
https://www.edusoho.com/	product
https://github.com/edusoho/edusoho/releases/tag/v22.4.7	release-notespatch
https://cn-sec.com/archives/2451582.html	technical-descriptionexploit
https://blog.csdn.net/qq_41904294/article/details…	technical-descriptionexploit
https://github.com/zeroChen00/exp-poc/blob/main/E…	exploit
https://github.com/gobysec/GobyVuls/blob/master/C…	exploit
https://www.cnvd.org.cn/flaw/show/CNVD-2023-03903	government-resourcevdb-entry
https://www.vulncheck.com/advisories/edusoho-arbi…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version	CPE status
Hangzhou Kuozhi Network Technology Co., Ltd.	EduSoho	Affected: 0 , < 22.4.7 (semver)	guessed

Shadowserver

Known Exploited Vulnerability - GCVE BCP-07 Compliant

KEV entry ID: 30c9602f-dfe1-4f30-af0a-07335e4ec895

Vulnerability ID: CVE-2023-7335

Status: Confirmed

Status Updated: 2026-07-20 00:00 UTC

Exploited: Yes

Characteristics

Severity: 87.0

Timestamps

First Seen: 2026-01-23

Asserted: 2026-01-23

Last Seen: 2026-07-20

Scope

Asset Exposure: ['internet-facing']

Evidence

Type: Honeypot

Signal: In The Wild Attempts

Confidence: 70%

Source: shadowserver

Details

1D	2
Iot	no
Feed	Shadowserver Foundation honeypot/exploited-vulnerabilities
Type	http-scan
Class	other-software
7D Avg	1
Vendor	Hangzhou Kuozhi Network Technology
30D Avg	1
90D Avg	1
Product	EduSoho
Cisa Kev	no
Connections	12
Observation Date	2026-07-20
Vulnerability Class	CVSS
Vulnerability Score	8.7
Vulnerability Severity	High

References

Created: 2026-06-30 09:22 UTC | Updated: 2026-07-22 01:00 UTC

Previdian

Known Exploited Vulnerability - GCVE BCP-07 Compliant

KEV entry ID: e1213657-c6d5-4002-81f1-64391a2427cf

Vulnerability ID: CVE-2023-7335

Status: Confirmed

Status Updated: 2026-02-04 00:00 UTC

Exploited: Yes

Timestamps

First Seen: 2026-02-04

Asserted: 2026-02-04

Scope

Notes: KEVIntel entry: EduSoho < 22.4.7 Arbitrary File Read via classroom-course-statistics | Affected: Hangzhou Kuozhi Network Technology Co., Ltd. / EduSoho | CVSS: 8.7 (HIGH) | Used in malware: unknown | Not yet in CISA KEV: True

Evidence

Type: Public Report

Signal: Successful Exploitation

Confidence: 70%

Source: kevintel

Details

Feed	KEVIntel (kevintel.com)
Title	EduSoho < 22.4.7 Arbitrary File Read via classroom-course-statistics
Vendor	Hangzhou Kuozhi Network Technology Co., Ltd.
Product	EduSoho
Added Date	2026-02-04T00:00:00.000Z
Cvss Score	8.7
Epss Score	None
Cvss Severity	HIGH
Epss Percentile	None
Used In Malware	unknown
Ahead Of Cisa Kev	None
Not Yet In Cisa Kev	True

References

Created: 2026-06-23 14:03 UTC | Updated: 2026-07-10 06:14 UTC

Show details on NVD website

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            },
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              "tags": [
                "exploit"
              ],
              "url": "https://github.com/gobysec/GobyVuls/blob/master/CNVD-2023-03903.md"
            },
            {
              "tags": [
                "government-resource",
                "vdb-entry"
              ],
              "url": "https://www.cnvd.org.cn/flaw/show/CNVD-2023-03903"
            },
            {
              "tags": [
                "third-party-advisory"
              ],
              "url": "https://www.vulncheck.com/advisories/edusoho-arbitrary-file-read-via-classroom-course-statistics"
            }
          ],
          "source": {
            "discovery": "UNKNOWN"
          },
          "tags": [
            "x_known-exploited-vulnerability"
          ],
          "title": "EduSoho \u003c 22.4.7 Arbitrary File Read via classroom-course-statistics",
          "x_generator": {
            "engine": "Vulnogram 0.5.0"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "assignerShortName": "VulnCheck",
        "cveId": "CVE-2023-7335",
        "datePublished": "2026-01-22T16:55:25.228Z",
        "dateReserved": "2026-01-21T21:28:45.232Z",
        "dateUpdated": "2026-01-22T18:31:38.631Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}

FKIE_CVE-2023-7335

Vulnerability from fkie_nvd - Published: 2026-01-22 17:15 - Updated: 2026-07-15 02:17

Shadowserver Previdian

Severity

8.7 (High) - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Summary

References

	URL	Tags
	disclosure@vulncheck.com	https://blog.csdn.net/qq_41904294/article/details/135007351
	disclosure@vulncheck.com	https://cn-sec.com/archives/2451582.html
	disclosure@vulncheck.com	https://github.com/edusoho/edusoho/releases/tag/v22.4.7
	disclosure@vulncheck.com	https://github.com/gobysec/GobyVuls/blob/master/CNVD-2023-03903.md
	disclosure@vulncheck.com	https://github.com/zeroChen00/exp-poc/blob/main/EduSoho%E6%95%99%E5%9F%B9%E7%B3%BB%E7%BB%9Fclassropm-course-statistics%E5%AD%98%E5%9C%A8%E4%BB%BB%E6%84%8F%E6%96%87%E4%BB%B6%E8%AF%BB%E5%8F%96%E6%BC%8F%E6%B4%9E.md
	disclosure@vulncheck.com	https://www.cnvd.org.cn/flaw/show/CNVD-2023-03903
	disclosure@vulncheck.com	https://www.edusoho.com/
	disclosure@vulncheck.com	https://www.vulncheck.com/advisories/edusoho-arbitrary-file-read-via-classroom-course-statistics

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "packageURL": "pkg:github/edusoho/edusoho",
          "product": "EduSoho",
          "repo": "https://github.com/edusoho/edusoho",
          "vendor": "Hangzhou Kuozhi Network Technology Co., Ltd.",
          "versions": [
            {
              "lessThan": "22.4.7",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "disclosure@vulncheck.com"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "EduSoho versions prior to 22.4.7 contain an arbitrary file read vulnerability in the classroom-course-statistics export functionality. A remote, unauthenticated attacker can supply crafted path traversal sequences in the fileNames[] parameter to read arbitrary files from the server filesystem, including application configuration files such as config/parameters.yml that may contain secrets and database credentials.\u00a0Exploitation evidence was observed by the Shadowserver Foundation on 2026-01-19 (UTC)."
    },
    {
      "lang": "es",
      "value": "Las versiones de EduSoho anteriores a la 22.4.7 contienen una vulnerabilidad de lectura arbitraria de archivos en la funcionalidad de exportaci\u00f3n de estad\u00edsticas de cursos del aula. Un atacante remoto no autenticado puede proporcionar secuencias de salto de ruta manipuladas en el par\u00e1metro fileNames[] para leer archivos arbitrarios del sistema de archivos del servidor, incluyendo archivos de configuraci\u00f3n de la aplicaci\u00f3n como config/parameters.yml que pueden contener secretos y credenciales de la base de datos. Se observ\u00f3 evidencia de explotaci\u00f3n por la Shadowserver Foundation el 19-01-2026 (UTC)."
    }
  ],
  "id": "CVE-2023-7335",
  "lastModified": "2026-07-15T02:17:08.690",
  "metrics": {
    "cvssMetricV40": [
      {
        "cvssData": {
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "attackVector": "NETWORK",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 8.7,
          "baseSeverity": "HIGH",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "privilegesRequired": "NONE",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "userInteraction": "NONE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "version": "4.0",
          "vulnAvailabilityImpact": "NONE",
          "vulnConfidentialityImpact": "HIGH",
          "vulnIntegrityImpact": "NONE",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "disclosure@vulncheck.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2023-7335",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-01-22T18:30:59.634659Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-01-22T17:15:53.117",
  "references": [
    {
      "source": "disclosure@vulncheck.com",
      "url": "https://blog.csdn.net/qq_41904294/article/details/135007351"
    },
    {
      "source": "disclosure@vulncheck.com",
      "url": "https://cn-sec.com/archives/2451582.html"
    },
    {
      "source": "disclosure@vulncheck.com",
      "url": "https://github.com/edusoho/edusoho/releases/tag/v22.4.7"
    },
    {
      "source": "disclosure@vulncheck.com",
      "url": "https://github.com/gobysec/GobyVuls/blob/master/CNVD-2023-03903.md"
    },
    {
      "source": "disclosure@vulncheck.com",
      "url": "https://github.com/zeroChen00/exp-poc/blob/main/EduSoho%E6%95%99%E5%9F%B9%E7%B3%BB%E7%BB%9Fclassropm-course-statistics%E5%AD%98%E5%9C%A8%E4%BB%BB%E6%84%8F%E6%96%87%E4%BB%B6%E8%AF%BB%E5%8F%96%E6%BC%8F%E6%B4%9E.md"
    },
    {
      "source": "disclosure@vulncheck.com",
      "url": "https://www.cnvd.org.cn/flaw/show/CNVD-2023-03903"
    },
    {
      "source": "disclosure@vulncheck.com",
      "url": "https://www.edusoho.com/"
    },
    {
      "source": "disclosure@vulncheck.com",
      "url": "https://www.vulncheck.com/advisories/edusoho-arbitrary-file-read-via-classroom-course-statistics"
    }
  ],
  "sourceIdentifier": "disclosure@vulncheck.com",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-22"
        }
      ],
      "source": "disclosure@vulncheck.com",
      "type": "Secondary"
    }
  ]
}

GHSA-M2J3-F8MQ-GQQ6

Vulnerability from github – Published: 2026-01-22 18:30 – Updated: 2026-01-22 18:30

Details

Severity

8.7 (High)


                  
                    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2023-7335"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-22"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-01-22T17:15:53Z",
    "severity": "HIGH"
  },
  "details": "EduSoho versions prior to 22.4.7 contain an arbitrary file read vulnerability in the classroom-course-statistics export functionality. A remote, unauthenticated attacker can supply crafted path traversal sequences in the fileNames[] parameter to read arbitrary files from the server filesystem, including application configuration files such as config/parameters.yml that may contain secrets and database credentials.\u00a0Exploitation evidence was observed by the Shadowserver Foundation on 2026-01-19 (UTC).",
  "id": "GHSA-m2j3-f8mq-gqq6",
  "modified": "2026-01-22T18:30:32Z",
  "published": "2026-01-22T18:30:31Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-7335"
    },
    {
      "type": "WEB",
      "url": "https://blog.csdn.net/qq_41904294/article/details/135007351"
    },
    {
      "type": "WEB",
      "url": "https://cn-sec.com/archives/2451582.html"
    },
    {
      "type": "WEB",
      "url": "https://github.com/edusoho/edusoho/releases/tag/v22.4.7"
    },
    {
      "type": "WEB",
      "url": "https://github.com/gobysec/GobyVuls/blob/master/CNVD-2023-03903.md"
    },
    {
      "type": "WEB",
      "url": "https://github.com/zeroChen00/exp-poc/blob/main/EduSoho%E6%95%99%E5%9F%B9%E7%B3%BB%E7%BB%9Fclassropm-course-statistics%E5%AD%98%E5%9C%A8%E4%BB%BB%E6%84%8F%E6%96%87%E4%BB%B6%E8%AF%BB%E5%8F%96%E6%BC%8F%E6%B4%9E.md"
    },
    {
      "type": "WEB",
      "url": "https://www.cnvd.org.cn/flaw/show/CNVD-2023-03903"
    },
    {
      "type": "WEB",
      "url": "https://www.edusoho.com"
    },
    {
      "type": "WEB",
      "url": "https://www.vulncheck.com/advisories/edusoho-arbitrary-file-read-via-classroom-course-statistics"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

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.

Action not permitted

CVE-2023-7335 (GCVE-0-2023-7335)

Shadowserver

Known Exploited Vulnerability - GCVE BCP-07 Compliant

Characteristics

Timestamps

Scope

Evidence

Honeypot In The Wild Attempts Confidence: 70% Source: shadowserver

Details

References

Previdian

Known Exploited Vulnerability - GCVE BCP-07 Compliant

Timestamps

Scope

Evidence

Public Report Successful Exploitation Confidence: 70% Source: kevintel

Details

References

FKIE_CVE-2023-7335

GHSA-M2J3-F8MQ-GQQ6

Tags

Sightings

Nomenclature

Related by attack behaviour