CVE-2020-13817
At a glance
- Source
- NVD
- EPSS
- EPSS 3.36 % · percentile 89 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- mitre
- NVD status
- Modified
Description
ntpd in ntp before 4.2.8p14 and 4.3.x before 4.3.100 allows remote attackers to cause a denial of service (daemon exit or system time change) by predicting transmit timestamps for use in spoofed packets. The victim must be relying on unauthenticated IPv4 time sources. There must be an off-path attacker who can query time from the victim's ntpd instance.
Weaknesses (CWE)
- CWE-330 — Use of Insufficiently Random Values
References
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00005.html
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00044.html
- https://security.gentoo.org/glsa/202007-12
- https://www.oracle.com/security-alerts/cpujan2022.html
- http://support.ntp.org/bin/view/Main/NtpBug3596
- https://bugs.ntp.org/show_bug.cgi?id=3596
- https://security.netapp.com/advisory/ntap-20200625-0004/
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.0 | MEDIUM 5.9 | CVSS:3.0/AC:H/AV:N/A:H/C:N/I:N/PR:N/S:U/UI:N | mitre |
| CVSS 3.1 | HIGH 7.4 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H | CISA-ADP |
| CVSS 3.1 | HIGH 7.4 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H | NVD · nvd@nist.gov (Primary) |
| CVSS 3.1 | HIGH 7.4 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H | NVD · 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary) |
| CVSS 3.0 | MEDIUM 5.9 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H | NVD · cve@mitre.org (Secondary) |
| CVSS 2.0 | MEDIUM 5.8 | AV:N/AC:M/Au:N/C:N/I:P/A:P | NVD · nvd@nist.gov (Primary) |
European references
- ENISA EUVD · EUVD-2020-6032
- GCVE · GCVE-0-2020-13817
CERT-FR advisories
- CERTFR-2026-AVI-0326 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
- CERTFR-2026-AVI-0316 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
- CERTFR-2023-AVI-0585 — Multiples vulnérabilités dans HiSecOS EAGLE · cert.ssi.gouv.fr
- CERTFR-2023-AVI-0537 — Multiples vulnérabilités dans les produits Juniper · cert.ssi.gouv.fr
- CERTFR-2022-AVI-267 — Multiples vulnérabilités dans Juniper Networks Junos Space · cert.ssi.gouv.fr
- CERTFR-2022-AVI-054 — Multiples vulnérabilités dans Oracle Systems · cert.ssi.gouv.fr
- CERTFR-2020-AVI-780 — Multiples vulnérabilités dans IBM QRadar Network Security · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:a:ntp:ntp:*:*:*:*:*:*:*:*< 4.2.8cpe:2.3:a:ntp:ntp:*:*:*:*:*:*:*:*≥ 4.3.0 < 4.3.100cpe:2.3:a:ntp:ntp:4.2.8:-:*:*:*:*:*:*cpe:2.3:a:ntp:ntp:4.2.8:p1:*:*:*:*:*:*cpe:2.3:a:ntp:ntp:4.2.8:p1-beta1:*:*:*:*:*:*cpe:2.3:a:ntp:ntp:4.2.8:p1-beta2:*:*:*:*:*:*cpe:2.3:a:ntp:ntp:4.2.8:p1-beta3:*:*:*:*:*:*cpe:2.3:a:ntp:ntp:4.2.8:p1-beta4:*:*:*:*:*:*cpe:2.3:a:ntp:ntp:4.2.8:p1-beta5:*:*:*:*:*:*cpe:2.3:a:ntp:ntp:4.2.8:p1-rc1:*:*:*:*:*:*cpe:2.3:a:ntp:ntp:4.2.8:p1-rc2:*:*:*:*:*:*cpe:2.3:a:ntp:ntp:4.2.8:p10:*:*:*:*:*:*cpe:2.3:a:ntp:ntp:4.2.8:p11:*:*:*:*:*:*cpe:2.3:a:ntp:ntp:4.2.8:p12:*:*:*:*:*:*cpe:2.3:a:ntp:ntp:4.2.8:p13:*:*:*:*:*:*cpe:2.3:a:ntp:ntp:4.2.8:p2:*:*:*:*:*:*cpe:2.3:a:ntp:ntp:4.2.8:p2-rc1:*:*:*:*:*:*cpe:2.3:a:ntp:ntp:4.2.8:p2-rc2:*:*:*:*:*:*cpe:2.3:a:ntp:ntp:4.2.8:p2-rc3:*:*:*:*:*:*cpe:2.3:a:ntp:ntp:4.2.8:p3:*:*:*:*:*:*cpe:2.3:a:ntp:ntp:4.2.8:p3-rc1:*:*:*:*:*:*cpe:2.3:a:ntp:ntp:4.2.8:p3-rc2:*:*:*:*:*:*cpe:2.3:a:ntp:ntp:4.2.8:p3-rc3:*:*:*:*:*:*cpe:2.3:a:ntp:ntp:4.2.8:p4:*:*:*:*:*:*cpe:2.3:a:ntp:ntp:4.2.8:p5:*:*:*:*:*:*cpe:2.3:a:ntp:ntp:4.2.8:p6:*:*:*:*:*:*cpe:2.3:a:ntp:ntp:4.2.8:p7:*:*:*:*:*:*cpe:2.3:a:ntp:ntp:4.2.8:p8:*:*:*:*:*:*cpe:2.3:a:ntp:ntp:4.2.8:p9:*:*:*:*:*:*cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*cpe:2.3:a:netapp:clustered_data_ontap:-:*:*:*:*:*:*:*cpe:2.3:a:netapp:data_ontap:-:*:*:*:*:7-mode:*:*cpe:2.3:a:netapp:element_software:-:*:*:*:*:*:*:*cpe:2.3:a:netapp:hci_management_node:-:*:*:*:*:*:*:*cpe:2.3:a:netapp:ontap_tools:-:*:*:*:*:vmware_vsphere:*:*cpe:2.3:a:netapp:solidfire:-:*:*:*:*:*:*:*cpe:2.3:a:netapp:steelstore_cloud_integrated_storage:-:*:*:*:*:*:*:*cpe:2.3:o:netapp:hci_compute_node_firmware:-:*:*:*:*:*:*:*cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:*cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*- +19 more
Affected products
| Product | Versions |
|---|---|
| affected n/a |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |