{"id":"CVE-2020-26868","aliases":["EUVD-2020-19404","GHSA-hmv8-293h-5vrj"],"status":"published","title":"ARC Informatique PcVue Access to Critical Private Variable via Public Method","description":"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.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.02151,"percentile":0.82379,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-668","CWE-767"],"published":"2020-10-12T13:50:37Z","modified":"2026-07-09T18:32:25Z","products":[{"vendor":"arc informatique","product":"pcvue"},{"vendor":"arcinfo","product":"pcvue"}],"references":[{"url":"https://us-cert.cisa.gov/ics/advisories/icsa-20-308-03","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","US Government Resource"]},{"url":"https://www.pcvuesolutions.com/security","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"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","Broken Link"]},{"url":"https://www.pcvuesolutions.com/support/index.php/en/security-bulletin/1076-security-bulletin-2020-1","tags":["x_refsource_CONFIRM","x_transferred","Permissions Required","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-26868"},{"url":"https://www.pcvuesolutions.com/index.php/support-a-services/resources/security-alerts-95138"},{"url":"https://ics-cert.kaspersky.com/advisories/klcert-advisories/2020/10/09/klcert-20-016-denial-of-service-in-arc-informatique-pcvue"},{"url":"https://github.com/advisories/GHSA-hmv8-293h-5vrj"}],"sources":{"cve":[{"id":"CVE-2020-26868","title":"ARC Informatique PcVue Access to Critical Private Variable via Public Method","description":"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.","status":"published","published":"2020-10-12T13:50:37.117Z","modified":"2024-09-17T00:31:32.157Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-767"],"updated_at":"2026-11-02T14:35:46.129376Z"}],"euvd":[{"id":"EUVD-2020-19404","description":"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.","status":"published","published":"2020-10-12T13:50:37Z","modified":"2024-09-17T00:31:32Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-03T00:28:58.42254Z"}],"ghsa":[{"id":"GHSA-hmv8-293h-5vrj","title":"A Denial Of Service vulnerability exists in PcVue from version 8.10 onward, due to the ability...","description":"A Denial Of Service vulnerability exists in PcVue from version 8.10 onward, due to the ability for a non-authorized user to modify information used to validate messages sent by legitimate web clients.","status":"published","published":"2022-05-24T17:30:29Z","modified":"2026-07-09T18:32:25Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-668","CWE-767"],"updated_at":"2026-11-02T15:09:22.189239Z"}],"nvd":[{"id":"CVE-2020-26868","description":"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.","status":"published","published":"2020-10-12T14:15:12.323Z","modified":"2026-07-09T18:32:08.463Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-767","CWE-668"],"updated_at":"2026-11-02T14:06:19.351389Z"}]}}