CVE-2013-6704

Severity: high (CVSS 7.1 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2013-12-03 · updated 2026-06-17
Weakness: CWE-399

Description

Cisco IOS XE does not properly manage memory for TFTP UDP flows, which allows remote attackers to cause a denial of service (memory consumption) via TFTP (1) client or (2) server traffic, aka Bug IDs CSCuh09324 and CSCty42686.

Affected products

Cisco IOS XE: all versions

References

http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-6704
http://www.securitytracker.com/id/1029424
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-6704
http://www.securitytracker.com/id/1029424

Get alerted when CVE-2013-6704 or the next vulnerability affects your stack