Vulnerability-Lookup

CVE-2025-43881 (GCVE-0-2025-43881)

Vulnerability from cvelistv5 – Published: 2025-07-23 04:38 – Updated: 2025-07-23 15:14

Summary

Improper validation of specified quantity in input issue exists in Real-time Bus Tracking System versions prior to 1.1. If exploited, a denial of service (DoS) condition may be caused by an attacker who can log in to the administrative page of the affected product.

Severity

4.3 (Medium)


                        
                          CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

5.3 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-07-23 14:22 UTC

CWE

CWE-1284 - Improper validation of specified quantity in input

Assigner

jpcert jpcert root

References

2 references

URL	Tags
https://www.synck.com/downloads/cgi-perl/buslocat…
https://jvn.jp/en/jp/JVN21177718/

Impacted products

1 product

Vendor	Product	Version	CPE status
SYNCK GRAPHICA	Real-time Bus Tracking System	Affected: versions prior to 1.1	guessed

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2025-43881

Vulnerability from fkie_nvd - Published: 2025-07-23 05:15 - Updated: 2026-06-17 09:24

Severity

4.3 (Medium) - CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Summary

References

	URL	Tags
	vultures@jpcert.or.jp	https://jvn.jp/en/jp/JVN21177718/
	vultures@jpcert.or.jp	https://www.synck.com/downloads/cgi-perl/buslocationsystem/index.html

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "Real-time Bus Tracking System",
          "vendor": "SYNCK GRAPHICA",
          "versions": [
            {
              "status": "affected",
              "version": "versions prior to 1.1"
            }
          ]
        }
      ],
      "source": "vultures@jpcert.or.jp"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Improper validation of specified quantity in input issue exists in Real-time Bus Tracking System versions prior to 1.1. If exploited, a denial of service (DoS) condition may be caused by an attacker who can log in to the administrative page of the affected product."
    },
    {
      "lang": "es",
      "value": "Existe un problema de validaci\u00f3n incorrecta de la cantidad especificada en la entrada en versiones de Real-time Bus Tracking System anteriores a la 1.1. Si se explota, un atacante que acceda a la p\u00e1gina administrativa del producto afectado podr\u00eda causar una denegaci\u00f3n de servicio (DoS)."
    }
  ],
  "id": "CVE-2025-43881",
  "lastModified": "2026-06-17T09:24:41.347",
  "metrics": {
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "LOW",
          "baseScore": 4.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L",
          "version": "3.0"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 1.4,
        "source": "vultures@jpcert.or.jp",
        "type": "Secondary"
      }
    ],
    "cvssMetricV40": [
      {
        "cvssData": {
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
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          "attackRequirements": "NONE",
          "attackVector": "NETWORK",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM",
          "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": "LOW",
          "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:L/UI:N/VC:N/VI:N/VA:L/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": "LOW",
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          "vulnIntegrityImpact": "NONE",
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        },
        "source": "vultures@jpcert.or.jp",
        "type": "Secondary"
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          "options": [
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            }
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      "url": "https://jvn.jp/en/jp/JVN21177718/"
    },
    {
      "source": "vultures@jpcert.or.jp",
      "url": "https://www.synck.com/downloads/cgi-perl/buslocationsystem/index.html"
    }
  ],
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  "vulnStatus": "Deferred",
  "weaknesses": [
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      "description": [
        {
          "lang": "en",
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        }
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      "type": "Secondary"
    }
  ]
}

GHSA-97C7-FXWG-RJ4C

Vulnerability from github – Published: 2025-07-23 06:33 – Updated: 2025-07-23 06:33

Details

Severity

4.3 (Medium)


                  
                    CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

5.3 (Medium)


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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2025-43881"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-1284"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-07-23T05:15:30Z",
    "severity": "MODERATE"
  },
  "details": "Improper validation of specified quantity in input issue exists in Real-time Bus Tracking System versions prior to 1.1. If exploited, a denial of service (DoS) condition may be caused by an attacker who can log in to the administrative page of the affected product.",
  "id": "GHSA-97c7-fxwg-rj4c",
  "modified": "2025-07-23T06:33:50Z",
  "published": "2025-07-23T06:33:50Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-43881"
    },
    {
      "type": "WEB",
      "url": "https://jvn.jp/en/jp/JVN21177718"
    },
    {
      "type": "WEB",
      "url": "https://www.synck.com/downloads/cgi-perl/buslocationsystem/index.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/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"
    }
  ]
}

JVNDB-2025-000051

Vulnerability from jvndb - Published: 2025-07-23 04:54 - Updated:2025-07-23 04:54

Severity

4.3 (Medium) - cvssV3_0 - CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Summary

Real-time Bus Tracking System vulnerable to improper validation of specified quantity in input

Details

Real-time Bus Tracking System provided by SYNCK GRAPHICA contains the following vulnerability.

Improper validation of specified quantity in input (CWE-1284) - CVE-2025-43881

n3ddih 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/JVN21177718/index.html
	CVE	https://www.cve.org/CVERecord?id=CVE-2025-43881
	Improper Input Validation(CWE-20)	https://www.ipa.go.jp/en/security/vulnerabilities/cwe.html

Impacted products

Vendor

Product

SYNCK GRAPHICA

Bus Location System

Show details on JVN DB website

JSON

To clipboard

{
  "@rdf:about": "https://jvndb.jvn.jp/en/contents/2025/JVNDB-2025-000051.html",
  "dc:date": "2025-07-23T13:54+09:00",
  "dcterms:issued": "2025-07-23T13:54+09:00",
  "dcterms:modified": "2025-07-23T13:54+09:00",
  "description": "Real-time Bus Tracking System provided by SYNCK GRAPHICA contains the following vulnerability.\r\n\u003cul\u003e\u003cli\u003eImproper validation of specified quantity in input (CWE-1284) - CVE-2025-43881\u003c/li\u003e\u003c/ul\u003e\r\nn3ddih 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/2025/JVNDB-2025-000051.html",
  "sec:cpe": {
    "#text": "cpe:/a:synck_graphica:bus_location_system",
    "@product": "Bus Location System",
    "@vendor": "SYNCK GRAPHICA",
    "@version": "2.2"
  },
  "sec:cvss": {
    "@score": "4.3",
    "@severity": "Medium",
    "@type": "Base",
    "@vector": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L",
    "@version": "3.0"
  },
  "sec:identifier": "JVNDB-2025-000051",
  "sec:references": [
    {
      "#text": "https://jvn.jp/en/jp/JVN21177718/index.html",
      "@id": "JVN#21177718",
      "@source": "JVN"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2025-43881",
      "@id": "CVE-2025-43881",
      "@source": "CVE"
    },
    {
      "#text": "https://www.ipa.go.jp/en/security/vulnerabilities/cwe.html",
      "@id": "CWE-20",
      "@title": "Improper Input Validation(CWE-20)"
    }
  ],
  "title": "Real-time Bus Tracking System vulnerable to improper validation of specified quantity in input"
}

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-2025-43881 (GCVE-0-2025-43881)

FKIE_CVE-2025-43881

GHSA-97C7-FXWG-RJ4C

JVNDB-2025-000051

Tags

Sightings

Nomenclature

Related by attack behaviour