CVE-2015-7851
MEDIUM
6.5
CVSS Score
Published: January 28, 2020 at 04:35 PM UTC
Updated: June 17, 2026 at 12:33 AM UTC
1 product affected across 1 vendorNTP
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Severity
MEDIUM6.5
Exploit prediction
EPSS 4%
Description
Directory traversal vulnerability in the save_config function in ntpd in ntp_control.c in NTP before 4.2.8p4, when used on systems that do not use '\' or '/' characters for directory separation such as OpenVMS, allows remote authenticated users to overwrite arbitrary files.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
4.2.0 ≤ v < 4.2.84.3.0 ≤ v < 4.3.774.2.8 p14.2.8 p1-beta14.2.8 p1-beta24.2.8 p1-beta34.2.8 p1-beta44.2.8 p1-beta54.2.8 p1-rc14.2.8 p1-rc24.2.8 p24.2.8 p2-rc14.2.8 p2-rc24.2.8 p2-rc34.2.8 p34.2.8 p3-rc14.2.8 p3-rc24.2.8 p3-rc3
Affected range stops below 4.2.8, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.3.77, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (3)
x_refsource_MISCVendor Advisory
Source: [email protected]
http://support.ntp.org/bin/view/Main/NtpBug2918x_refsource_MISCRelease NotesVendor Advisory
Source: [email protected]
http://support.ntp.org/bin/view/Main/SecurityNoticex_refsource_MISCExploitThird Party Advisory
Source: [email protected]
http://www.talosintel.com/reports/TALOS-2015-0062/CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- HIGH
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-22
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