CVE-2014-2111

Severity: high (CVSS 7.1 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2014-03-27 · updated 2026-06-17
Weakness: CWE-20

Description

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.

Affected products

Cisco IOS: 12.2, 12.3, 12.4, 15.0, 15.1, 15.2 (+2)

References

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20140326-nat
http://www.securityfocus.com/bid/66470
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20140326-nat
http://www.securityfocus.com/bid/66470

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