CVE-2015-1798
LOW—CVSS v3
1.8CVSS v2
0.63%
EPSS (exploit probability)
CWE-17CWE
Description
The symmetric-key feature in the receive function in ntp_proto.c in ntpd in NTP 4.x before 4.2.8p2 requires a correct MAC only if the MAC field has a nonzero length, which makes it easier for man-in-the-middle attackers to spoof packets by omitting the MAC.
Affected routers (0)
No routers currently mapped to this CVE in our database.