Vulnerability Database

314,373

Total vulnerabilities in the database

CVE-2014-2111

The Application Layer Gateway (ALG) module in Cisco IOS 12.2 through 12.4 and 15.0 through 15.4, when NAT is used, allows remote attackers to cause a denial of service (device reload) via crafted DNS packets, aka Bug ID CSCue00996.

  • Published: Mar 27, 2014
  • Updated: Nov 9, 2025
  • CVE: CVE-2014-2111
  • Severity: High
  • Exploit:

CVSS v2:

  • Severity: High
  • Score: 7.1
  • AV:N/AC:M/Au:N/C:N/I:N/A:C

CWEs:

Software From Fixed in
cisco / ios 15.1 15.1.x
cisco / ios 15.4 15.4.x
cisco / ios 15.0 15.0.x
cisco / ios 12.3 12.3.x
cisco / ios 15.3 15.3.x
cisco / ios 12.4 12.4.x
cisco / ios 12.2 12.2.x
cisco / ios 15.2 15.2.x