CVE-2014-3309
The NTP implementation in Cisco IOS and IOS XE does not properly support use of the access-group...
CVE-2014-3309 is a medium vulnerability (CVSS 5.0) in Cisco Ios, published July 9, 2014. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.11%, the 82nd percentile. No source names a fixed version.
- Severity
- 5.0 MediumCVSS 2.0, NVD
- Exploit chance
- 2.11%EPSS, 82nd percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
- No fix listedNo source names one
Description
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.
Exploit likelihood
Affected products
What each source reports
NVD Score used 5.0
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.
- Record
CVE-2014-3309- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-264
- Updated
- 2026-11-02
CVE ListNo score
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.
- Record
CVE-2014-3309- Updated
- 2026-11-02
EUVDEUVD-2014-3322No score
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.
- Record
EUVD-2014-3322- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-xrcg-wf6c-6jc9No score
The NTP implementation in Cisco IOS and IOS XE does not properly support use of the access-group...
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.
- Record
GHSA-xrcg-wf6c-6jc9- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.