Vulnerability Details : 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" configuration, which allows remote attackers to bypass intended restrictions on time synchronization via a standard query, aka Bug ID CSCuj66318.
Products affected by CVE-2014-3309
- cpe:2.3:o:cisco:ios:-:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios_xe:-:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2014-3309
0.24%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 62 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2014-3309
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:P/I:N/A:N |
10.0
|
2.9
|
NIST |
CWE ids for CVE-2014-3309
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2014-3309
-
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-3309
Cisco IOS Software and IOS XE Software NTP Access Group VulnerabilityVendor Advisory
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https://exchange.xforce.ibmcloud.com/vulnerabilities/94420
Cisco IOS Software and Cisco IOS XE ntp access-group information disclosure CVE-2014-3309 Vulnerability Report
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http://www.securityfocus.com/bid/68463
Cisco IOS and IOS XE Software CVE-2014-3309 Security Bypass Vulnerability
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http://www.securitytracker.com/id/1030549
Cisco IOS/IOS XE NTP Group Access Controls Can Be Bypassed By Remote Users - SecurityTracker
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