Vulnerability Details : CVE-2019-1738

A vulnerability in the Network-Based Application Recognition (NBAR) feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload. This vulnerability is due to a parsing issue on DNS packets. An attacker could exploit these vulnerabilities by sending crafted DNS packets through routers that are running an affected version and have NBAR enabled. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a denial of service (DoS) condition.
Vulnerability category: Input validationDenial of service
Published 2019-03-28 00:29:00
Updated 2023-03-24 17:47:17
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2019-1738

Probability of exploitation activity in the next 30 days: 0.13%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 47 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2019-1738

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Source
7.8
HIGH AV:N/AC:L/Au:N/C:N/I:N/A:C
10.0
6.9
[email protected]
8.6
HIGH CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
3.9
4.0
[email protected]
7.5
HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.9
3.6
[email protected]

CWE ids for CVE-2019-1738

References for CVE-2019-1738

Products affected by CVE-2019-1738

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