Vulnerability Intelligence Report
CVE-2016-4953
ntpd in NTP 4.x before 4.2.8p8 allows remote attackers to cause a denial of service (ephemeral-association demobilization) by sending a spoofed crypto-NAK packet with incorrect authentication data at a certain time.
No Active Exploit Signals
CVSS Base Score
7.5
HIGH
EPSS Probability:17.24%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
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Weaponization
—
SSVC Action
—
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| ntp | ntp | 4.2.8 |
| oracle | solaris | 10, 11.3 |
| suse | manager | 2.1 |
| suse | manager_proxy | 2.1 |
| suse | openstack_cloud | 5 |
| opensuse | leap | 42.1 |
| opensuse | opensuse | 13.2 |
| suse | linux_enterprise_desktop | 12 |
| suse | linux_enterprise_server | 11, 12 |
| siemens | simatic_net_cp_443-1_opc_ua_firmware | all |
| siemens | simatic_net_cp_443-1_opc_ua | all |
| siemens | tim_4r-ie_firmware | all |
| siemens | tim_4r-ie | all |
| siemens | tim_4r-ie_dnp3_firmware | all |
| siemens | tim_4r-ie_dnp3 | all |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
17.245%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | MITRE Corporation · N/A · USA |
| Reserved | 2016-05-23T00:00:00 |
| Published | 2016-07-05T01:00:00 |
| Patch Date | 2016-06-02 |
| Last Updated | 2024-08-06T00:46:39 |
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