Vulnerability-Lookup

JVNDB-2023-000104

Vulnerability from jvndb - Published: 2023-10-18 09:00 - Updated:2024-05-15 08:08

Severity

7.5 (High) - cvssV3_0 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Summary

Improper restriction of XML external entity references (XXE) in Proself

Details

Proself provided by North Grid Corporation improperly restricts XML external entity references (XXE) (CWE-611). The developer states that attacks exploiting this vulnerability have been observed. North Grid Corporation reported this vulnerability to JPCERT/CC to notify users of its solution through JVN. JPCERT/CC and North Grid Corporation coordinated under the Information Security Early Warning Partnership.

References

Type

URL

	JVN	https://jvn.jp/en/jp/JVN95981460/index.html
	CVE	https://www.cve.org/CVERecord?id=CVE-2023-45727
	NVD	https://nvd.nist.gov/vuln/detail/CVE-2023-45727
	IPA SECURITY ALERTS	https://www.ipa.go.jp/security/security-alert/2023/20231018-jvn.html
	JPCERT-WR	https://www.jpcert.or.jp/at/2023/at230022.html
	No Mapping(CWE-Other)	https://www.ipa.go.jp/en/security/vulnerabilities/cwe.html

Impacted products

Vendor

Product

North Grid Corporation

Proself

Show details on JVN DB website

JSON

To clipboard

{
  "@rdf:about": "https://jvndb.jvn.jp/en/contents/2023/JVNDB-2023-000104.html",
  "dc:date": "2024-05-15T17:08+09:00",
  "dcterms:issued": "2023-10-18T18:00+09:00",
  "dcterms:modified": "2024-05-15T17:08+09:00",
  "description": "Proself provided by North Grid Corporation improperly restricts XML external entity references (XXE) (CWE-611).\r\nThe developer states that attacks exploiting this vulnerability have been observed.\r\n\r\nNorth Grid Corporation reported this vulnerability to JPCERT/CC to notify users of its solution through JVN. JPCERT/CC and North Grid Corporation coordinated under the Information Security Early Warning Partnership.",
  "link": "https://jvndb.jvn.jp/en/contents/2023/JVNDB-2023-000104.html",
  "sec:cpe": {
    "#text": "cpe:/a:northgrid:proself",
    "@product": "Proself",
    "@vendor": "North Grid Corporation",
    "@version": "2.2"
  },
  "sec:cvss": [
    {
      "@score": "5.0",
      "@severity": "Medium",
      "@type": "Base",
      "@vector": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
      "@version": "2.0"
    },
    {
      "@score": "7.5",
      "@severity": "High",
      "@type": "Base",
      "@vector": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
      "@version": "3.0"
    }
  ],
  "sec:identifier": "JVNDB-2023-000104",
  "sec:references": [
    {
      "#text": "https://jvn.jp/en/jp/JVN95981460/index.html",
      "@id": "JVN#95981460",
      "@source": "JVN"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2023-45727",
      "@id": "CVE-2023-45727",
      "@source": "CVE"
    },
    {
      "#text": "https://nvd.nist.gov/vuln/detail/CVE-2023-45727",
      "@id": "CVE-2023-45727",
      "@source": "NVD"
    },
    {
      "#text": "https://www.ipa.go.jp/security/security-alert/2023/20231018-jvn.html",
      "@id": "Security Alert for Vulnerability in Proself (JVN#95981460)",
      "@source": "IPA SECURITY ALERTS"
    },
    {
      "#text": "https://www.jpcert.or.jp/at/2023/at230022.html",
      "@id": "JPCERT-AT-2023-0022",
      "@source": "JPCERT-WR"
    },
    {
      "#text": "https://www.ipa.go.jp/en/security/vulnerabilities/cwe.html",
      "@id": "CWE-Other",
      "@title": "No Mapping(CWE-Other)"
    }
  ],
  "title": "Improper restriction of XML external entity references (XXE) in Proself"
}

CVE-2023-45727 (GCVE-0-2023-45727)

Vulnerability from cvelistv5 – Published: 2023-10-18 09:01 – Updated: 2025-10-21 23:05

Summary

Proself Enterprise/Standard Edition Ver5.62 and earlier, Proself Gateway Edition Ver1.65 and earlier, and Proself Mail Sanitize Edition Ver1.08 and earlier allow a remote unauthenticated attacker to conduct XML External Entity (XXE) attacks. By processing a specially crafted request containing malformed XML data, arbitrary files on the server containing account information may be read by the attacker.

Severity

7.5 (High)


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

SSVC

Exploitation: active Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-12-06 04:55 UTC

CWE

XML external entities (XXE)
CWE-611 - Improper Restriction of XML External Entity Reference

Assigner

jpcert jpcert root Scorecard

References

3 references

URL	Tags
https://www.proself.jp/information/153/
https://jvn.jp/en/jp/JVN95981460/
https://www.cisa.gov/known-exploited-vulnerabilit…	government-resource

Impacted products

7 products

Vendor	Product	Version
North Grid Corporation	Proself Enterprise/Standard Edition	Affected: Ver5.62 and earlier
North Grid Corporation	Proself Gateway Edition	Affected: Ver1.65 and earlier
North Grid Corporation	Proself Mail Sanitize Edition	Affected: Ver1.08 and earlier
northgrid	proself	Affected: 0 , ≤ 5.62 (custom) cpe:2.3:a:northgrid:proself:-::::enterprise:::
northgrid	proself	Affected: 0 , ≤ 1.65 (custom) cpe:2.3:a:northgrid:proself:-::::gateway:::
northgrid	proself	Affected: 0 , ≤ 5.62 (custom) cpe:2.3:a:northgrid:proself:-::::standard:::
northgrid	proself	Affected: 0 , ≤ 1.08 (custom) cpe:2.3:a:northgrid:proself:-::::mail_sanitize:::

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T20:29:32.421Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://www.proself.jp/information/153/"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://jvn.jp/en/jp/JVN95981460/"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "affected": [
          {
            "cpes": [
              "cpe:2.3:a:northgrid:proself:-:*:*:*:enterprise:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "proself",
            "vendor": "northgrid",
            "versions": [
              {
                "lessThanOrEqual": "5.62",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:a:northgrid:proself:-:*:*:*:gateway:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "proself",
            "vendor": "northgrid",
            "versions": [
              {
                "lessThanOrEqual": "1.65",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:a:northgrid:proself:-:*:*:*:standard:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "proself",
            "vendor": "northgrid",
            "versions": [
              {
                "lessThanOrEqual": "5.62",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:a:northgrid:proself:-:*:*:*:mail_sanitize:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "proself",
            "vendor": "northgrid",
            "versions": [
              {
                "lessThanOrEqual": "1.08",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          }
        ],
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "NONE",
              "baseScore": 7.5,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "NONE",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2023-45727",
                "options": [
                  {
                    "Exploitation": "active"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-12-06T04:55:30.434626Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          },
          {
            "other": {
              "content": {
                "dateAdded": "2024-12-03",
                "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-45727"
              },
              "type": "kev"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-611",
                "description": "CWE-611 Improper Restriction of XML External Entity Reference",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-10-21T23:05:34.245Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "references": [
          {
            "tags": [
              "government-resource"
            ],
            "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-45727"
          }
        ],
        "timeline": [
          {
            "lang": "en",
            "time": "2024-12-03T00:00:00.000Z",
            "value": "CVE-2023-45727 added to CISA KEV"
          }
        ],
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Proself Enterprise/Standard Edition",
          "vendor": "North Grid Corporation",
          "versions": [
            {
              "status": "affected",
              "version": "Ver5.62 and earlier"
            }
          ]
        },
        {
          "product": "Proself Gateway Edition",
          "vendor": "North Grid Corporation",
          "versions": [
            {
              "status": "affected",
              "version": "Ver1.65 and earlier"
            }
          ]
        },
        {
          "product": "Proself Mail Sanitize Edition",
          "vendor": "North Grid Corporation",
          "versions": [
            {
              "status": "affected",
              "version": "Ver1.08 and earlier"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Proself Enterprise/Standard Edition Ver5.62 and earlier, Proself Gateway Edition Ver1.65 and earlier, and Proself Mail Sanitize Edition Ver1.08 and earlier allow a remote unauthenticated attacker to conduct XML External Entity (XXE) attacks. By processing a specially crafted request containing malformed XML data, arbitrary files on the server containing account information may be read by the attacker."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "XML external entities (XXE)",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-10-18T09:01:12.285Z",
        "orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
        "shortName": "jpcert"
      },
      "references": [
        {
          "url": "https://www.proself.jp/information/153/"
        },
        {
          "url": "https://jvn.jp/en/jp/JVN95981460/"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
    "assignerShortName": "jpcert",
    "cveId": "CVE-2023-45727",
    "datePublished": "2023-10-18T09:01:12.285Z",
    "dateReserved": "2023-10-11T07:32:42.029Z",
    "dateUpdated": "2025-10-21T23:05:34.245Z",
    "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.

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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JVNDB-2023-000104

CVE-2023-45727 (GCVE-0-2023-45727)

Tags

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Nomenclature

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