Home/CVE/The NTP implementation in Cisco IOS and IOS XE does not properly support use of the access-group command for a "deny all
CVE

CVE-2014-3309

The NTP implementation in Cisco IOS and IOS XE does not properly support use of the access-group command for a "deny all

The NTP implementation in Cisco IOS and IOS XE does not properly support use of the access-group command for a "deny all" configuration, which allows remote attackers to bypass intended restrictions on time synchronization via a standard query, aka Bug ID CSCuj66318.

MEDIUM · CVSS 5 EPSS 0.0021
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  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
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Affected Products & Versions

2
cisco iosall versions
cisco ios xeall versions
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Scoring & Timeline

5
MEDIUM · CVSS v2 (legacy) · psirt@cisco.com
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This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:L/Au:N/C:P/I:N/A:N
Published to NVD09 Jul 2014 · 11:07 AM
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References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-3309Vendor Advisory
http://www.securityfocus.com/bid/68463
http://www.securitytracker.com/id/1030549
https://exchange.xforce.ibmcloud.com/vulnerabilities/94420
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