What’s Vulnerable › Vulnerabilities

CVE-2016-1384

• Severity: high (CVSS 7.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2016-04-20 · updated 2026-06-17
• Weakness: CWE-264

Description

The NTP implementation in Cisco IOS 15.1 and 15.5 and IOS XE 3.2 through 3.17 allows remote attackers to modify the system time via crafted packets, aka Bug ID CSCux46898.

Affected products

• Cisco IOS: 15.1(1)s, 15.1(1)s1, 15.1(1)s2, 15.1(2)s, 15.1(2)s1, 15.1(2)s2 (+27)
• Cisco IOS XE: 3.2.0ja, 3.2.0s, 3.2.0se, 3.2.0sg, 3.2.0xo, 3.2.1s (+148)

References

• http://www.securityfocus.com/bid/86685
• http://www.securitytracker.com/id/1035622
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160419-ios
• http://www.securityfocus.com/bid/86685
• http://www.securitytracker.com/id/1035622
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160419-ios

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