VDB

CVE-2019-1738

CVE-2019-1738 PUBLISHED CVSS 8.600000381469727 HIGH

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.

EPSS 2.35% · 85.2th percentile

Risk Scores

CVSS 3.0
8.600000381469727
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
EPSS Score
2.35%
85.2th percentile

Affected Products

VendorProductVersions
ciscoios*, 15.5\(3\)m1, 15.1\(3\)svi1b
CiscoCisco IOS and IOS-XE Software*, 3.16.0S, 3.16.1S
ciscoios_xe3.2.0ja, *, *

Exploit Intelligence

Timeline

  • Mar 27, 2019 CVE Published
  • Apr 14, 2021 EPSS Score
  • Jun 23, 2021 EPSS Score
  • Oct 26, 2021 EPSS Score
  • Dec 27, 2021 EPSS Score
  • Jan 6, 2022 EPSS Score
  • Apr 1, 2022 EPSS Score
  • May 1, 2022 EPSS Score
  • Jul 3, 2022 EPSS Score
  • Nov 6, 2022 EPSS Score
  • Jan 8, 2023 EPSS Score
  • Mar 7, 2023 EPSS Score

References

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