CVE-2015-1853
MEDIUM6.5EPSS 0.87%Published: 12/9/2019Modified: 4/28/2026
Also known as:DEBIAN-CVE-2015-1853
Description
chrony before 1.31.1 does not properly protect state variables in authenticated symmetric NTP associations, which allows remote attackers with knowledge of NTP peering to cause a denial of service (inability to synchronize) via random timestamps in crafted NTP data packets.
Affected packages (1)
- Debian/chronyfrom 0, < 1.30-2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |