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CVE-2016-1384

25
FAUCET Score

CVE-2016-1384 describes a vulnerability in the NTP implementation of Cisco IOS 15.1, 15.5, and IOS XE 3.2 through 3.17, allowing remote attackers to manipulate system time through specially crafted packets. This vulnerability carries a high CVSS score of 7.5, indicating a severe impact where an unauthenticated attacker can remotely alter system integrity with low attack complexity. Despite its high severity, there is no evidence of active exploitation, publicly available exploit code, or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
15.1\(1\)sCPE matchmatch criteria
cpe:2.3:o:cisco:ios:15.1\(1\)s:*:*:*:*:*:*:*
15.1\(1\)s1CPE matchmatch criteria
cpe:2.3:o:cisco:ios:15.1\(1\)s1:*:*:*:*:*:*:*
15.1\(1\)s2CPE matchmatch criteria
cpe:2.3:o:cisco:ios:15.1\(1\)s2:*:*:*:*:*:*:*
15.1\(2\)sCPE matchmatch criteria
cpe:2.3:o:cisco:ios:15.1\(2\)s:*:*:*:*:*:*:*
15.1\(2\)s1CPE matchmatch criteria
cpe:2.3:o:cisco:ios:15.1\(2\)s1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.49%
Probability of exploitation in next 30 days
EPSS Percentile
83.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0249 is in the 70th percentile among its peer group of 51,506 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

ciscovendor investigatingvia nvd_reference
View patch

References

tools.cisco.com / security/center/content/CiscoSecurityAdvisory/cisco-sa-20160419-ios
Vendor Advisory
securityfocus.com / bid/86685
securitytracker.com / id/1035622