Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2019-1740

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 are 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.

Published

2019-03-28T00:29:00.373

Last Modified

2024-11-21T04:37:15.070

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 8.6 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: COMPLETE
Exploitability Score

10.0

Impact Score

6.9

Weaknesses
  • Type: Secondary
    CWE-20
  • Type: Primary
    CWE-20
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System cisco ios_xe 3.2.0ja Yes
Operating System cisco ios_xe 3.16.0as Yes
Operating System cisco ios_xe 3.16.0bs Yes
Operating System cisco ios_xe 3.16.0cs Yes
Operating System cisco ios_xe 3.16.0s Yes
Operating System cisco ios_xe 3.16.1as Yes
Operating System cisco ios_xe 3.16.1s Yes
Operating System cisco ios_xe 3.16.2as Yes
Operating System cisco ios_xe 3.16.2bs Yes
Operating System cisco ios_xe 3.16.2s Yes
Operating System cisco ios_xe 3.16.3as Yes
Operating System cisco ios_xe 3.16.3s Yes
Operating System cisco ios_xe 3.16.4as Yes
Operating System cisco ios_xe 3.16.4bs Yes
Operating System cisco ios_xe 3.16.4cs Yes
Operating System cisco ios_xe 3.16.4ds Yes
Operating System cisco ios_xe 3.16.4es Yes
Operating System cisco ios_xe 3.16.4gs Yes
Operating System cisco ios_xe 3.16.4s Yes
Operating System cisco ios_xe 3.16.5as Yes
Operating System cisco ios_xe 3.16.5s Yes
Operating System cisco ios_xe 3.17.0s Yes
Operating System cisco ios_xe 3.17.1as Yes
Operating System cisco ios_xe 3.17.1s Yes
Operating System cisco ios_xe 3.17.2s Yes
Operating System cisco ios_xe 3.17.3s Yes
Operating System cisco ios_xe 3.17.4s Yes
Operating System cisco ios_xe 3.18.0as Yes
Operating System cisco ios_xe 3.18.0s Yes
Operating System cisco ios_xe 3.18.0sp Yes
Operating System cisco ios_xe 3.18.1asp Yes
Operating System cisco ios_xe 3.18.1bsp Yes
Operating System cisco ios_xe 3.18.1csp Yes
Operating System cisco ios_xe 3.18.1gsp Yes
Operating System cisco ios_xe 3.18.1hsp Yes
Operating System cisco ios_xe 3.18.1isp Yes
Operating System cisco ios_xe 3.18.1s Yes
Operating System cisco ios_xe 3.18.1sp Yes
Operating System cisco ios_xe 3.18.2asp Yes
Operating System cisco ios_xe 3.18.2s Yes
Operating System cisco ios_xe 3.18.2sp Yes
Operating System cisco ios_xe 3.18.3s Yes
Operating System cisco ios_xe 3.18.4s Yes
Operating System cisco ios_xe 16.2.1 Yes
Operating System cisco ios_xe 16.2.2 Yes
Operating System cisco ios_xe 16.3.1 Yes
Operating System cisco ios_xe 16.3.1a Yes
Operating System cisco ios_xe 16.3.2 Yes
Operating System cisco ios_xe 16.3.3 Yes
Operating System cisco ios_xe 16.3.4 Yes
Operating System cisco ios_xe 16.4.1 Yes
Operating System cisco ios_xe 16.4.2 Yes
Operating System cisco ios_xe 16.4.3 Yes
Operating System cisco ios_xe 16.5.1 Yes
Operating System cisco ios_xe 16.5.1a Yes
Operating System cisco ios_xe 16.5.1b Yes
Operating System cisco ios_xe 16.9.3s Yes
Operating System cisco ios_xe 16.9.4c Yes
Operating System cisco ios 15.3\(3\)jd Yes
Operating System cisco ios 15.3\(3\)jd2 Yes
Operating System cisco ios 15.3\(3\)jd3 Yes
Operating System cisco ios 15.3\(3\)jd4 Yes
Operating System cisco ios 15.3\(3\)jd5 Yes
Operating System cisco ios 15.3\(3\)jd6 Yes
Operating System cisco ios 15.3\(3\)jd7 Yes
Operating System cisco ios 15.3\(3\)jd8 Yes
Operating System cisco ios 15.3\(3\)jd9 Yes
Operating System cisco ios 15.3\(3\)jd11 Yes
Operating System cisco ios 15.3\(3\)jd12 Yes
Operating System cisco ios 15.3\(3\)jd13 Yes
Operating System cisco ios 15.3\(3\)jd14 Yes
Operating System cisco ios 15.3\(3\)je Yes
Operating System cisco ios 15.3\(3\)jf Yes
Operating System cisco ios 15.3\(3\)jf1 Yes
Operating System cisco ios 15.3\(3\)jf2 Yes
Operating System cisco ios 15.3\(3\)jf4 Yes
Operating System cisco ios 15.3\(3\)jf5 Yes
Operating System cisco ios 15.3\(3\)jg Yes
Operating System cisco ios 15.3\(3\)jg1 Yes
Operating System cisco ios 15.3\(3\)jh Yes
Operating System cisco ios 15.3\(3\)jk6 Yes
Operating System cisco ios 15.3\(3\)jnp Yes
Operating System cisco ios 15.3\(3\)jnp1 Yes
Operating System cisco ios 15.3\(3\)jnp3 Yes
Operating System cisco ios 15.3\(3\)jpb Yes
Operating System cisco ios 15.3\(3\)jpb1 Yes
Operating System cisco ios 15.3\(3\)jpc Yes
Operating System cisco ios 15.3\(3\)jpc1 Yes
Operating System cisco ios 15.3\(3\)jpc2 Yes
Operating System cisco ios 15.3\(3\)jpc3 Yes
Operating System cisco ios 15.3\(3\)jpc5 Yes
Operating System cisco ios 15.3\(3\)jpd Yes
Operating System cisco ios 15.5\(3\)m Yes
Operating System cisco ios 15.5\(3\)m0a Yes
Operating System cisco ios 15.5\(3\)m1 Yes
Operating System cisco ios 15.5\(3\)m2 Yes
Operating System cisco ios 15.5\(3\)m2a Yes
Operating System cisco ios 15.5\(3\)m3 Yes
Operating System cisco ios 15.5\(3\)m4 Yes
Operating System cisco ios 15.5\(3\)m4a Yes
Operating System cisco ios 15.5\(3\)m4b Yes
Operating System cisco ios 15.5\(3\)m4c Yes
Operating System cisco ios 15.5\(3\)m5 Yes
Operating System cisco ios 15.5\(3\)s Yes
Operating System cisco ios 15.5\(3\)s0a Yes
Operating System cisco ios 15.5\(3\)s1 Yes
Operating System cisco ios 15.5\(3\)s1a Yes
Operating System cisco ios 15.5\(3\)s2 Yes
Operating System cisco ios 15.5\(3\)s3 Yes
Operating System cisco ios 15.5\(3\)s4 Yes
Operating System cisco ios 15.5\(3\)s5 Yes
Operating System cisco ios 15.5\(3\)sn Yes
Operating System cisco ios 15.5\(3\)sn0a Yes
Operating System cisco ios 15.6\(1\)s Yes
Operating System cisco ios 15.6\(1\)s1 Yes
Operating System cisco ios 15.6\(1\)s2 Yes
Operating System cisco ios 15.6\(1\)s3 Yes
Operating System cisco ios 15.6\(1\)s4 Yes
Operating System cisco ios 15.6\(1\)sn Yes
Operating System cisco ios 15.6\(1\)sn1 Yes
Operating System cisco ios 15.6\(1\)sn2 Yes
Operating System cisco ios 15.6\(1\)sn3 Yes
Operating System cisco ios 15.6\(1\)t Yes
Operating System cisco ios 15.6\(1\)t0a Yes
Operating System cisco ios 15.6\(1\)t1 Yes
Operating System cisco ios 15.6\(1\)t2 Yes
Operating System cisco ios 15.6\(2\)s Yes
Operating System cisco ios 15.6\(2\)s1 Yes
Operating System cisco ios 15.6\(2\)s2 Yes
Operating System cisco ios 15.6\(2\)s3 Yes
Operating System cisco ios 15.6\(2\)s4 Yes
Operating System cisco ios 15.6\(2\)sn Yes
Operating System cisco ios 15.6\(2\)t Yes
Operating System cisco ios 15.6\(2\)t0a Yes
Operating System cisco ios 15.6\(2\)t1 Yes
Operating System cisco ios 15.6\(2\)t2 Yes
Operating System cisco ios 15.6\(3\)m Yes
Operating System cisco ios 15.6\(3\)m0a Yes
Operating System cisco ios 15.6\(3\)m1 Yes
Operating System cisco ios 15.6\(3\)m1a Yes
Operating System cisco ios 15.6\(3\)m1b Yes
Operating System cisco ios 15.6\(3\)sn Yes
Operating System cisco ios 15.6\(4\)sn Yes
Operating System cisco ios 15.6\(5\)sn Yes
Operating System cisco ios 15.6\(6\)sn Yes
Operating System cisco ios 15.6\(7\)sn Yes
Operating System cisco ios 15.6\(7\)sn1 Yes
Operating System cisco ios 15.6\(7\)sn2 Yes
Operating System cisco ios 15.6\(7\)sn3 Yes
References