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Cisco IOS: CVE-2019-1752: Cisco IOS and IOS XE Software ISDN Interface Denial of Service Vulnerability

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Cisco IOS: CVE-2019-1752: Cisco IOS and IOS XE Software ISDN Interface Denial of Service Vulnerability

Severity
8
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:C)
Published
03/27/2019
Created
04/22/2019
Added
04/04/2019
Modified
04/22/2024

Description

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.

Solution(s)

  • cisco-ios-upgrade-latest

References

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