CVEvulnerability

CVE-2013-5479

7.8 HIGH Published 2013-09-27 Modified 2026-06-16 Official page ↗
Status
Modified
Published
2013-09-27
Last modified
2026-06-16
Assigner
[email protected]
CVSS 2.0 ([email protected])
7.8 HIGH — AV:N/AC:L/Au:N/C:N/I:N/A:C
Weaknesses
CWE-20

Description

The DNS-over-TCP implementation in Cisco IOS 12.2 and 15.0 through 15.3, when NAT is used, allows remote attackers to cause a denial of service (device reload) via a crafted IPv4 DNS TCP stream, aka Bug ID CSCtn53730.

Affected configurations

• cisco ios 12.2 • cisco ios 15.0 • cisco ios 15.1 • cisco ios 15.2 • cisco ios 15.3

Related

Weakness · CWE (1)

  • CWE-20 Improper Input Validation weakness

References