What’s Vulnerable › Vulnerabilities

CVE-2016-6378

• Severity: high (CVSS 7.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2016-10-05 · updated 2026-06-17
• Weakness: CWE-399

Description

Cisco IOS XE 3.1 through 3.17 and 16.1 through 16.2 allows remote attackers to cause a denial of service (device reload) via crafted ICMP packets that require NAT, aka Bug ID CSCuw85853.

Affected products

• Cisco IOS XE: 3.1.3s, 3.1.4as, 3.1.4s, 3.2.1s, 3.2.2s, 3.3.0s (+77)

References

• http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160928-esp-nat
• http://www.securityfocus.com/bid/93200
• http://www.securitytracker.com/id/1036914
• http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160928-esp-nat
• http://www.securityfocus.com/bid/93200
• http://www.securitytracker.com/id/1036914

Get alerted when CVE-2016-6378 or the next vulnerability affects your stack