Vulnerability-Lookup

JVNDB-2026-000074

Vulnerability from jvndb - Published: 2026-05-14 07:16 - Updated:2026-05-14 07:16

Severity

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

Summary

WPS Office improper access restriction to its named pipe

Details

WPS Office provided by WPS SOFTWARE PTE. LTD. contains a service program running background and providing certain functionalities to the other programs. This service program uses a named pipe to communicate with the other programs. The named pipe above is not properly protected and any non-administrative user can access it.

Exposed dangerous method or function (CWE-749) - CVE-2018-6400

MASAHIRO IIDA of LAC Co., Ltd. reported this vulnerability to IPA. JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.

References

Type

URL

	JVN	https://jvn.jp/en/jp/JVN14434132/index.html
	CVE	https://www.cve.org/CVERecord?id=CVE-2018-6400
	No Mapping(CWE-Other)	https://www.ipa.go.jp/en/security/vulnerabilities/cwe.html

Impacted products

Vendor

Product

	WPS	KINGSOFT PDF Pro
	WPS	WPS Cloud
	WPS	WPS Cloud Pro
	WPS	WPS Office2

Show details on JVN DB website

JSON

To clipboard

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  "@rdf:about": "https://jvndb.jvn.jp/en/contents/2026/JVNDB-2026-000074.html",
  "dc:date": "2026-05-14T16:16+09:00",
  "dcterms:issued": "2026-05-14T16:16+09:00",
  "dcterms:modified": "2026-05-14T16:16+09:00",
  "description": "WPS Office provided by WPS SOFTWARE PTE. LTD. contains a service program running background and providing certain functionalities to the other programs. This service program uses a named pipe to communicate with the other programs.\r\nThe named pipe above is not properly protected and any non-administrative user can access it.\u003ca href=\u0027https://cwe.mitre.org/data/definitions/749.html\u0027 target=\u0027_blank\u0027\u003e\u003c/a\u003e\u003ca href=\u0027https://www.cve.org/CVERecord?id=CVE-2018-6400\u0027 target=\u0027_blank\u0027\u003e\u003c/a\u003e\u003cul\u003e\u003cli\u003eExposed dangerous method or function (CWE-749) - CVE-2018-6400\u003c/li\u003e\u003c/ul\u003eMASAHIRO IIDA of LAC Co., Ltd. reported this vulnerability to IPA.\r\nJPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.",
  "link": "https://jvndb.jvn.jp/en/contents/2026/JVNDB-2026-000074.html",
  "sec:cpe": [
    {
      "#text": "cpe:/a:wps:kingsoft_pdf_pro",
      "@product": "KINGSOFT PDF Pro",
      "@vendor": "WPS",
      "@version": "2.2"
    },
    {
      "#text": "cpe:/a:wps:wps_cloud",
      "@product": "WPS Cloud",
      "@vendor": "WPS",
      "@version": "2.2"
    },
    {
      "#text": "cpe:/a:wps:wps_cloud_pro",
      "@product": "WPS Cloud Pro",
      "@vendor": "WPS",
      "@version": "2.2"
    },
    {
      "#text": "cpe:/a:wps:wps_office2",
      "@product": "WPS Office2",
      "@vendor": "WPS",
      "@version": "2.2"
    }
  ],
  "sec:cvss": {
    "@score": "7.8",
    "@severity": "High",
    "@type": "Base",
    "@vector": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
    "@version": "3.0"
  },
  "sec:identifier": "JVNDB-2026-000074",
  "sec:references": [
    {
      "#text": "https://jvn.jp/en/jp/JVN14434132/index.html",
      "@id": "JVN#14434132",
      "@source": "JVN"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2018-6400",
      "@id": "CVE-2018-6400",
      "@source": "CVE"
    },
    {
      "#text": "https://www.ipa.go.jp/en/security/vulnerabilities/cwe.html",
      "@id": "CWE-Other",
      "@title": "No Mapping(CWE-Other)"
    }
  ],
  "title": "WPS Office improper access restriction to its named pipe"
}

CVE-2018-6400 (GCVE-0-2018-6400)

Vulnerability from cvelistv5 – Published: 2018-03-12 21:00 – Updated: 2026-05-14 18:21

Summary

Kingsoft WPS Office Free 10.2.0.5978 allows local users to gain privileges or cause a denial of service by impersonating all the pipes through a use of \\.\pipe\WPSCloudSvr\WpsCloudSvr -- an "insecurely created named pipe." Ensures full access to Everyone users group.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

3 references

URL	Tags
http://seclists.org/fulldisclosure/2018/Mar/27	mailing-list
https://jvn.jp/en/jp/JVN14434132/
https://www.wps365.jp/notices/4

Date Public

2018-03-06 00:00

Show details on NVD website

JSON

To clipboard

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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.

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.