FKIE_CVE-2016-7431
Vulnerability from fkie_nvd - Published: 2017-01-13 16:59 - Updated: 2026-06-17 00:53
Severity
Summary
NTP before 4.2.8p9 allows remote attackers to bypass the origin timestamp protection mechanism via an origin timestamp of zero. NOTE: this vulnerability exists because of a CVE-2015-8138 regression.
References
{
"affected": [
{
"affectedData": [
{
"product": "n/a",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
],
"source": "cve@mitre.org"
}
],
"configurations": [
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"matchCriteriaId": "F12E4CF5-536C-416B-AD8D-6AE7CBE22C71",
"vulnerable": true
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"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "NTP before 4.2.8p9 allows remote attackers to bypass the origin timestamp protection mechanism via an origin timestamp of zero. NOTE: this vulnerability exists because of a CVE-2015-8138 regression."
},
{
"lang": "es",
"value": "NTP en versiones anteriores a 4.2.8p9 permite a atacantes remotos eludir el mecanismo de protecci\u00f3n de la marca de tiempo de origen a trav\u00e9s de una marca de tiempo de origen de cero. NOTA: esta vulnerabilidad existe debido a una regresi\u00f3n de CVE-2015-8138."
}
],
"id": "CVE-2016-7431",
"lastModified": "2026-06-17T00:53:03.407",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 5.0,
"confidentialityImpact": "NONE",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
"version": "2.0"
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"scope": "UNCHANGED",
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"published": "2017-01-13T16:59:00.467",
"references": [
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},
{
"source": "cve@mitre.org",
"tags": [
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"url": "http://nwtime.org/ntp428p9_release/"
},
{
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"url": "http://packetstormsecurity.com/files/140240/FreeBSD-Security-Advisory-FreeBSD-SA-16.39.ntp.html"
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{
"source": "cve@mitre.org",
"tags": [
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"url": "http://support.ntp.org/bin/view/Main/SecurityNotice#Recent_Vulnerabilities"
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{
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"url": "http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20171129-01-ntpd-en"
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{
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"url": "http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html"
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{
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"url": "http://www.securityfocus.com/bid/94454"
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{
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},
{
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"url": "https://bto.bluecoat.com/security-advisory/sa139"
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{
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"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-211752.pdf"
},
{
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"url": "https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US\u0026docId=emr_na-hpesbux03706en_us"
},
{
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"url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-16:39.ntp.asc"
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{
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"url": "https://support.hpe.com/hpsc/doc/public/display?docLocale=en\u0026docId=emr_na-hpesbhf03883en_us"
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{
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"url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-159-11"
},
{
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"url": "https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2017-223/"
},
{
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"tags": [
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}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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