CVE-2015-7703

high

Published 2017-07-24 · Modified 2026-05-13

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CVSS v3

7.5

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

CVSS v4 NEW

—

not yet in upstream

VIR risk

7.5

Description

The "pidfile" or "driftfile" directives in NTP ntpd 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77, when ntpd is configured to allow remote configuration, allows remote attackers with an IP address that is allowed to send configuration requests, and with knowledge of the remote configuration password to write to arbitrary files via the :config command.

Predictions

Exploit likelihood

83%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact

Red Hat Affected 2 releases

Version	Status	Fixed in
7.0	Affected	—
6.0	Affected	—

Debian Mixed 4 releases

Version	Status	Fixed in
bullseye	Fixed	`1:4.2.8p4+dfsg-1`
9.0	Affected	—
8.0	Affected	—
7.0	Affected	—

Application impact

Vendor	Product	Versions	Fixed
ntp	ntp	`{"startIncluding":"4.2.0","endExcluding":"4.2.8"}`	`4.2.8`
ntp	ntp	`4.2.8`
netapp	oncommand_performance_manager	`-`
netapp	oncommand_unified_manager	`-`

References

CWEs

CWE-20

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.