CVEvulnerability

CVE-2019-1739

7.5 HIGH Published 2019-03-28 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2019-03-28
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 3.0 ([email protected])
8.6 HIGH — CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
CVSS 2.0 ([email protected])
7.8 HIGH — AV:N/AC:L/Au:N/C:N/I:N/A:C
Weaknesses
CWE-20

Description

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 this vulnerability 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.

Affected configurations

• cisco ios 15.1\(2\)sg8a • cisco ios 15.1\(3\)svg3d • cisco ios 15.1\(3\)svi1b • cisco ios 15.1\(3\)svk4b • cisco ios 15.1\(3\)svk4c • cisco ios 15.1\(3\)svm3 • cisco ios 15.1\(3\)svn2 • cisco ios 15.1\(3\)svo1 • cisco ios 15.1\(3\)svo2 • cisco ios 15.1\(3\)svo3 • cisco ios 15.1\(3\)svo4 • cisco ios 15.1\(3\)svp1 • cisco ios 15.1\(3\)svp2 • cisco ios 15.1\(4\)m12c • cisco ios 15.2\(3\)ea1 • cisco ios 15.2\(4a\)ea5 • cisco ios 15.3\(3\)ja1n • cisco ios 15.3\(3\)jd • cisco ios 15.3\(3\)jd2 • cisco ios 15.3\(3\)jd3 • cisco ios 15.3\(3\)jd4 • cisco ios 15.3\(3\)jd5 • cisco ios 15.3\(3\)jd6 • cisco ios 15.3\(3\)jd7 • cisco ios 15.3\(3\)jd8 • cisco ios 15.3\(3\)jd9 • cisco ios 15.3\(3\)jd11 • cisco ios 15.3\(3\)jd12 • cisco ios 15.3\(3\)jd13 • cisco ios 15.3\(3\)jd14 • cisco ios 15.3\(3\)je • cisco ios 15.3\(3\)jf • cisco ios 15.3\(3\)jf1 • cisco ios 15.3\(3\)jf2 • cisco ios 15.3\(3\)jf4 • cisco ios 15.3\(3\)jf5 • cisco ios 15.3\(3\)jf35 • cisco ios 15.3\(3\)jg • cisco ios 15.3\(3\)jg1 • cisco ios 15.3\(3\)jh • cisco ios 15.3\(3\)ji • cisco ios 15.3\(3\)ji2 • cisco ios 15.3\(3\)jnp • cisco ios 15.3\(3\)jnp1 • cisco ios 15.3\(3\)jnp3 • cisco ios 15.3\(3\)jpb • cisco ios 15.3\(3\)jpb1 • cisco ios 15.3\(3\)jpc • cisco ios 15.3\(3\)jpc1 • cisco ios 15.3\(3\)jpc2 • cisco ios 15.3\(3\)jpc3 • cisco ios 15.3\(3\)jpc5 • cisco ios 15.3\(3\)jpd • cisco ios 15.5\(3\)m • cisco ios 15.5\(3\)m0a • cisco ios 15.5\(3\)m1 • cisco ios 15.5\(3\)m2 • cisco ios 15.5\(3\)m2a • cisco ios 15.5\(3\)m3 • cisco ios 15.5\(3\)m4 … and 104 more

Related

Weakness · CWE (1)

  • CWE-20 Improper Input Validation weakness

References