Vulnerability-Lookup

FKIE_CVE-2020-26868

Vulnerability from fkie_nvd - Published: 2020-10-12 14:15 - Updated: 2026-07-09 18:32

Severity

7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Summary

ARC Informatique PcVue prior to version 12.0.17 is vulnerable to a denial-of-service attack due to the ability of an unauthorized user to modify information used to validate messages sent by legitimate web clients. This issue also affects third-party systems based on the Web Services Toolkit.

References

URL	Tags
vulnerability@kaspersky.com	https://ics-cert.kaspersky.com/advisories/klcert-advisories/2020/10/09/klcert-20-016-denial-of-service-in-arc-informatique-pcvue/	Broken Link
vulnerability@kaspersky.com	https://us-cert.cisa.gov/ics/advisories/icsa-20-308-03	Third Party Advisory, US Government Resource
vulnerability@kaspersky.com	https://www.pcvuesolutions.com/security	Vendor Advisory
vulnerability@kaspersky.com	https://www.pcvuesolutions.com/support/index.php/en/security-bulletin/1076-security-bulletin-2020-1	Permissions Required, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	https://ics-cert.kaspersky.com/advisories/klcert-advisories/2020/10/09/klcert-20-016-denial-of-service-in-arc-informatique-pcvue/	Broken Link
af854a3a-2127-422b-91ae-364da2661108	https://us-cert.cisa.gov/ics/advisories/icsa-20-308-03	Third Party Advisory, US Government Resource
af854a3a-2127-422b-91ae-364da2661108	https://www.pcvuesolutions.com/security	Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	https://www.pcvuesolutions.com/support/index.php/en/security-bulletin/1076-security-bulletin-2020-1	Permissions Required, Vendor Advisory

Impacted products

	Vendor	Product	Version
	arcinfo	pcvue	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "PcVue",
          "vendor": "ARC Informatique",
          "versions": [
            {
              "lessThanOrEqual": "12.0.17",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "vulnerability@kaspersky.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:arcinfo:pcvue:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "203F4603-3962-472B-A34D-31C4C5EBE058",
              "versionEndExcluding": "12.0.17",
              "versionStartIncluding": "8.10",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "ARC Informatique PcVue prior to version 12.0.17 is vulnerable to a denial-of-service attack due to the ability of an unauthorized user to modify information used to validate messages sent by legitimate web clients. This issue also affects third-party systems based on the Web Services Toolkit."
    },
    {
      "lang": "es",
      "value": "ARC Informatique PcVue anterior a la versi\u00f3n 12.0.17 es vulnerable a un ataque de denegaci\u00f3n de servicio debido a la capacidad de un usuario no autorizado de modificar la informaci\u00f3n utilizada para validar los mensajes enviados por clientes web leg\u00edtimos. Este problema tambi\u00e9n afecta a los sistemas de terceros basados en el Web Services Toolkit"
    }
  ],
  "id": "CVE-2020-26868",
  "lastModified": "2026-07-09T18:32:08.463",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 5.0,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "vulnerability@kaspersky.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2020-10-12T14:15:12.323",
  "references": [
    {
      "source": "vulnerability@kaspersky.com",
      "tags": [
        "Broken Link"
      ],
      "url": "https://ics-cert.kaspersky.com/advisories/klcert-advisories/2020/10/09/klcert-20-016-denial-of-service-in-arc-informatique-pcvue/"
    },
    {
      "source": "vulnerability@kaspersky.com",
      "tags": [
        "Third Party Advisory",
        "US Government Resource"
      ],
      "url": "https://us-cert.cisa.gov/ics/advisories/icsa-20-308-03"
    },
    {
      "source": "vulnerability@kaspersky.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.pcvuesolutions.com/security"
    },
    {
      "source": "vulnerability@kaspersky.com",
      "tags": [
        "Permissions Required",
        "Vendor Advisory"
      ],
      "url": "https://www.pcvuesolutions.com/support/index.php/en/security-bulletin/1076-security-bulletin-2020-1"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Broken Link"
      ],
      "url": "https://ics-cert.kaspersky.com/advisories/klcert-advisories/2020/10/09/klcert-20-016-denial-of-service-in-arc-informatique-pcvue/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory",
        "US Government Resource"
      ],
      "url": "https://us-cert.cisa.gov/ics/advisories/icsa-20-308-03"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.pcvuesolutions.com/security"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Permissions Required",
        "Vendor Advisory"
      ],
      "url": "https://www.pcvuesolutions.com/support/index.php/en/security-bulletin/1076-security-bulletin-2020-1"
    }
  ],
  "sourceIdentifier": "vulnerability@kaspersky.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-767"
        }
      ],
      "source": "vulnerability@kaspersky.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-668"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2020-26868 (GCVE-0-2020-26868)

Vulnerability from cvelistv5 – Published: 2020-10-12 13:50 – Updated: 2024-09-17 00:31

Title

ARC Informatique PcVue Access to Critical Private Variable via Public Method

Summary

Severity

7.5 (High)


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

CWE

CWE-767 - Access to Critical Private Variable via Public Method

Assigner

Kaspersky mitre root

References

4 references

URL	Tags
https://us-cert.cisa.gov/ics/advisories/icsa-20-308-03	x_refsource_MISC
https://www.pcvuesolutions.com/security	x_refsource_CONFIRM
https://ics-cert.kaspersky.com/advisories/klcert-…	x_refsource_CONFIRM
https://www.pcvuesolutions.com/support/index.php/…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
ARC Informatique	PcVue	Affected: unspecified , ≤ 12.0.17 (custom)

Date Public

2020-11-03 00:00

Credits

Sergey Temnikov and Andrey Muravitsky of Kaspersky Lab reported these vulnerabilities to ARC Informatique.

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T16:03:22.524Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        "references": [
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              "x_transferred"
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            "url": "https://us-cert.cisa.gov/ics/advisories/icsa-20-308-03"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://www.pcvuesolutions.com/security"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://ics-cert.kaspersky.com/advisories/klcert-advisories/2020/10/09/klcert-20-016-denial-of-service-in-arc-informatique-pcvue/"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://www.pcvuesolutions.com/support/index.php/en/security-bulletin/1076-security-bulletin-2020-1"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "PcVue",
          "vendor": "ARC Informatique",
          "versions": [
            {
              "lessThanOrEqual": "12.0.17",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
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        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          }
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      ],
      "problemTypes": [
        {
          "descriptions": [
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              "description": "CWE-767: Access to Critical Private Variable via Public Method",
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              "type": "CWE"
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          ]
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      ],
      "providerMetadata": {
        "dateUpdated": "2021-01-11T15:15:29.000Z",
        "orgId": "e45d732a-8f6b-4b6b-be76-7420f6a2b988",
        "shortName": "Kaspersky"
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          "url": "https://ics-cert.kaspersky.com/advisories/klcert-advisories/2020/10/09/klcert-20-016-denial-of-service-in-arc-informatique-pcvue/"
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          "tags": [
            "x_refsource_CONFIRM"
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        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "ARC Informatique recommends upgrading PcVue to v12.0.17. Contact PcVue Support to receive instructions on downloading and installing the latest software version."
        }
      ],
      "source": {
        "advisory": "ICSA-20-308-03",
        "discovery": "UNKNOWN"
      },
      "title": "ARC Informatique PcVue Access to Critical Private Variable via Public Method",
      "workarounds": [
        {
          "lang": "en",
          "value": "The following mitigations and workarounds have been identified by ARC Informatique to help reduce risk:\n\nUninstall the web and mobile backend. Users not using the affected components should uninstall them. If the components are not required, do not install them.\nChange default configuration if using components prior to v12.0. If taking advantage of the web and mobile back features with a product version up to v11.2, change the following configuration item manually to prevent remote code execution\nIn the file \u003cPcVue installation directory\u003e\\Bin\\PropertyServer.config\u003e, change the following element and set it to \u201cLow\u201d (defaults to \u201cFull\u201d):\n                   \u003cserverProviders\u003e\n                                            \u003cformatter ref=\u201dbinary\u201d typeFilterLevel=\u201dLow\u201d /\u003e\n                   \u003c/serverProviders\u003e\n\n \nThis workaround cannot be applied to PcVue v12.0\nHarden firewall configuration by ensuring that incoming connections on the corresponding port are authorized only if initiated by the IIS Web Server process. The listening port is configurable (default 8090) and may have been changed on the system using the Application Explorer."
        }
      ],
      "x_generator": {
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      },
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          "DATE_PUBLIC": "2020-11-03T00:00:00.000Z",
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          "STATE": "PUBLIC",
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        },
        "affects": {
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            "vendor_data": [
              {
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                    {
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                            "version_value": "12.0.17"
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            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
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        "work_around": [
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            "lang": "en",
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          }
        ]
      }
    }
  },
  "cveMetadata": {
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    "assignerShortName": "Kaspersky",
    "cveId": "CVE-2020-26868",
    "datePublished": "2020-10-12T13:50:37.117Z",
    "dateReserved": "2020-10-07T00:00:00.000Z",
    "dateUpdated": "2024-09-17T00:31:32.157Z",
    "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.