{ "schemaVersion": 1, "attribution": [ { "source": "CISA Known Exploited Vulnerabilities", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog", "licence": "US government work" }, { "source": "GitHub Advisory Database", "url": "https://github.com/advisories", "licence": "CC BY 4.0" }, { "source": "Have I Been Pwned", "url": "https://haveibeenpwned.com/", "licence": "CC BY 4.0" }, { "source": "CVE Program (CVE records)", "url": "https://www.cve.org/Legal/TermsOfUse", "licence": "CVE Terms of Use", "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.", "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy." }, { "source": "FIRST EPSS", "url": "https://www.first.org/epss/", "licence": "free to use; FIRST requests attribution" } ], "record": { "id": "CVE-2019-1752", "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2019-1752", "idYear": 2019, "status": "PUBLISHED", "publishedAt": "2019-03-28T00:05:14.711Z", "updatedAt": "2024-09-17T01:16:09.678Z", "importedAt": "2026-10-24T01:56:08.750Z", "snapshot": { "id": "cve_2026-10-24_midnight_baseline", "at": "2026-10-24T00:00:00.000Z", "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z" }, "facts": { "title": "Cisco IOS and IOS XE Software ISDN Interface Denial of Service Vulnerability", "summary": "A vulnerability in the ISDN functions of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause the device to reload. The vulnerability is due to incorrect processing of specific values in the Q.931 information elements. An attacker could exploit this vulnerability by calling the affected device with specific Q.931 information elements being present. An exploit could allow the attacker to cause the device to reload, resulting in a denial of service (DoS) condition on an affected device.", "affected": [ { "vendor": "Cisco", "product": "Cisco IOS and IOS XE Software", "versions": [ { "version": "3.8.0S", "status": "affected" }, { "version": "3.8.1S", "status": "affected" }, { "version": "3.8.2S", "status": "affected" }, { "version": "3.9.1S", "status": "affected" }, { "version": "3.9.0S", "status": "affected" }, { "version": "3.9.2S", "status": "affected" }, { "version": "3.9.1aS", "status": "affected" }, { "version": "3.9.0aS", "status": "affected" }, { "version": "3.10.0S", "status": "affected" }, { "version": "3.10.1S", "status": "affected" }, { "version": "3.10.2S", "status": "affected" }, { "version": "3.10.3S", "status": "affected" }, { "version": "3.10.4S", "status": "affected" }, { "version": "3.10.5S", "status": "affected" }, { "version": "3.10.6S", "status": "affected" }, { "version": "3.10.2aS", "status": "affected" }, { "version": "3.10.2tS", "status": "affected" }, { "version": "3.10.7S", "status": "affected" }, { "version": "3.10.8S", "status": "affected" }, { "version": "3.10.8aS", "status": "affected" }, { "version": "3.10.9S", "status": "affected" }, { "version": "3.10.10S", "status": "affected" }, { "version": "3.11.1S", "status": "affected" }, { "version": "3.11.2S", "status": "affected" }, { "version": "3.11.0S", "status": "affected" }, { "version": "3.11.3S", "status": "affected" }, { "version": "3.11.4S", "status": "affected" }, { "version": "3.12.0S", "status": "affected" }, { "version": "3.12.1S", "status": "affected" }, { "version": "3.12.2S", "status": "affected" }, { "version": "3.12.3S", "status": "affected" }, { "version": "3.12.0aS", "status": "affected" }, { "version": "3.12.4S", "status": "affected" }, { "version": "3.13.0S", "status": "affected" }, { "version": "3.13.1S", "status": "affected" }, { "version": "3.13.2S", "status": "affected" }, { "version": "3.13.3S", "status": "affected" }, { "version": "3.13.4S", "status": "affected" }, { "version": "3.13.5S", "status": "affected" }, { "version": "3.13.2aS", "status": "affected" }, { "version": "3.13.5aS", "status": "affected" }, { "version": "3.13.6S", "status": "affected" }, { "version": "3.13.7S", "status": "affected" }, { "version": "3.13.6aS", "status": "affected" }, { "version": "3.13.6bS", "status": "affected" }, { "version": "3.13.7aS", "status": "affected" }, { "version": "3.13.8S", "status": "affected" }, { "version": "3.13.9S", "status": "affected" }, { "version": "3.13.10S", "status": "affected" }, { "version": "3.14.0S", "status": "affected" }, { "version": "3.14.1S", "status": "affected" }, { "version": "3.14.2S", "status": "affected" }, { "version": "3.14.3S", "status": "affected" }, { "version": "3.14.4S", "status": "affected" }, { "version": "3.15.0S", "status": "affected" }, { "version": "3.15.1S", "status": "affected" }, { "version": "3.15.2S", "status": "affected" }, { "version": "3.15.1cS", "status": "affected" }, { "version": "3.15.3S", "status": "affected" }, { "version": "3.15.4S", "status": "affected" }, { "version": "3.16.0S", "status": "affected" }, { "version": "3.16.1S", "status": "affected" }, { "version": "3.16.1aS", "status": "affected" }, { "version": "3.16.2S", "status": "affected" }, { "version": "3.16.0bS", "status": "affected" }, { "version": "3.16.0cS", "status": "affected" }, { "version": "3.16.3S", "status": "affected" }, { "version": "3.16.2bS", "status": "affected" }, { "version": "3.16.4aS", "status": "affected" }, { "version": "3.16.4bS", "status": "affected" }, { "version": "3.16.4gS", "status": "affected" }, { "version": "3.16.5S", "status": "affected" }, { "version": "3.16.4cS", "status": "affected" }, { "version": "3.16.4dS", "status": "affected" }, { "version": "3.16.4eS", "status": "affected" }, { "version": "3.16.6S", "status": "affected" }, { "version": "3.16.5aS", "status": "affected" }, { "version": "3.16.5bS", "status": "affected" }, { "version": "3.16.7S", "status": "affected" }, { "version": "3.16.6bS", "status": "affected" }, { "version": "3.16.7aS", "status": "affected" }, { "version": "3.16.7bS", "status": "affected" }, { "version": "3.16.8S", "status": "affected" }, { "version": "3.17.0S", "status": "affected" }, { "version": "3.17.1S", "status": "affected" }, { "version": "3.17.2S", "status": "affected" }, { "version": "3.17.1aS", "status": "affected" }, { "version": "3.17.3S", "status": "affected" }, { "version": "3.17.4S", "status": "affected" }, { "version": "16.2.1", "status": "affected" }, { "version": "16.2.2", "status": "affected" }, { "version": "16.3.1", "status": "affected" }, { "version": "16.3.2", "status": "affected" }, { "version": "16.3.3", "status": "affected" }, { "version": "16.3.1a", "status": "affected" }, { "version": "16.3.4", "status": "affected" }, { "version": "16.3.5", "status": "affected" }, { "version": "16.3.6", "status": "affected" }, { "version": "16.3.7", "status": "affected" }, { "version": "16.4.1", "status": "affected" }, { "version": "16.4.2", "status": "affected" }, { "version": "16.4.3", "status": "affected" }, { "version": "16.5.1", "status": "affected" }, { "version": "16.5.1b", "status": "affected" }, { "version": "16.5.2", "status": "affected" }, { "version": "16.5.3", "status": "affected" }, { "version": "3.18.0aS", "status": "affected" }, { "version": "3.18.1S", "status": "affected" }, { "version": "3.18.0SP", "status": "affected" }, { "version": "3.18.1SP", "status": "affected" }, { "version": "3.18.1aSP", "status": "affected" }, { "version": "3.18.2aSP", "status": "affected" }, { "version": "3.18.3SP", "status": "affected" }, { "version": "3.18.4SP", "status": "affected" }, { "version": "3.18.3aSP", "status": "affected" }, { "version": "3.18.3bSP", "status": "affected" }, { "version": "3.18.5SP", "status": "affected" }, { "version": "16.6.1", "status": "affected" }, { "version": "16.6.2", "status": "affected" }, { "version": "16.6.3", "status": "affected" }, { "version": "16.6.4", "status": "affected" }, { "version": "16.6.4s", "status": "affected" }, { "version": "16.7.1", "status": "affected" }, { "version": "16.7.1a", "status": "affected" }, { "version": "16.7.1b", "status": "affected" }, { "version": "16.7.2", "status": "affected" }, { "version": "16.7.3", "status": "affected" }, { "version": "16.8.1", "status": "affected" }, { "version": "16.8.1s", "status": "affected" }, { "version": "16.8.1d", "status": "affected" } ] } ] } } }