Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2016-2516

NTP before 4.2.8p7 and 4.3.x before 4.3.92, when mode7 is enabled, allows remote attackers to cause a denial of service (ntpd abort) by using the same IP address multiple times in an unconfig directive.

Published

2017-01-30T21:59:01.003

Last Modified

2025-04-20T01:37:25.860

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 5.3 (MEDIUM)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:N/I:N/A:C

  • Access Vector: NETWORK
  • Access Complexity: MEDIUM
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: COMPLETE
Exploitability Score

8.6

Impact Score

6.9

Weaknesses
  • Type: Primary
    CWE-20
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application ntp ntp ≤ 4.2.8 Yes
Application ntp ntp 4.3.0 Yes
Application ntp ntp 4.3.1 Yes
Application ntp ntp 4.3.2 Yes
Application ntp ntp 4.3.3 Yes
Application ntp ntp 4.3.4 Yes
Application ntp ntp 4.3.5 Yes
Application ntp ntp 4.3.6 Yes
Application ntp ntp 4.3.7 Yes
Application ntp ntp 4.3.8 Yes
Application ntp ntp 4.3.9 Yes
Application ntp ntp 4.3.10 Yes
Application ntp ntp 4.3.11 Yes
Application ntp ntp 4.3.12 Yes
Application ntp ntp 4.3.13 Yes
Application ntp ntp 4.3.14 Yes
Application ntp ntp 4.3.15 Yes
Application ntp ntp 4.3.16 Yes
Application ntp ntp 4.3.17 Yes
Application ntp ntp 4.3.18 Yes
Application ntp ntp 4.3.19 Yes
Application ntp ntp 4.3.20 Yes
Application ntp ntp 4.3.21 Yes
Application ntp ntp 4.3.22 Yes
Application ntp ntp 4.3.23 Yes
Application ntp ntp 4.3.24 Yes
Application ntp ntp 4.3.25 Yes
Application ntp ntp 4.3.26 Yes
Application ntp ntp 4.3.27 Yes
Application ntp ntp 4.3.28 Yes
Application ntp ntp 4.3.29 Yes
Application ntp ntp 4.3.30 Yes
Application ntp ntp 4.3.31 Yes
Application ntp ntp 4.3.32 Yes
Application ntp ntp 4.3.33 Yes
Application ntp ntp 4.3.34 Yes
Application ntp ntp 4.3.35 Yes
Application ntp ntp 4.3.36 Yes
Application ntp ntp 4.3.37 Yes
Application ntp ntp 4.3.38 Yes
Application ntp ntp 4.3.39 Yes
Application ntp ntp 4.3.40 Yes
Application ntp ntp 4.3.41 Yes
Application ntp ntp 4.3.42 Yes
Application ntp ntp 4.3.43 Yes
Application ntp ntp 4.3.44 Yes
Application ntp ntp 4.3.45 Yes
Application ntp ntp 4.3.46 Yes
Application ntp ntp 4.3.47 Yes
Application ntp ntp 4.3.48 Yes
Application ntp ntp 4.3.49 Yes
Application ntp ntp 4.3.50 Yes
Application ntp ntp 4.3.51 Yes
Application ntp ntp 4.3.52 Yes
Application ntp ntp 4.3.53 Yes
Application ntp ntp 4.3.54 Yes
Application ntp ntp 4.3.55 Yes
Application ntp ntp 4.3.56 Yes
Application ntp ntp 4.3.57 Yes
Application ntp ntp 4.3.58 Yes
Application ntp ntp 4.3.59 Yes
Application ntp ntp 4.3.60 Yes
Application ntp ntp 4.3.61 Yes
Application ntp ntp 4.3.62 Yes
Application ntp ntp 4.3.63 Yes
Application ntp ntp 4.3.64 Yes
Application ntp ntp 4.3.65 Yes
Application ntp ntp 4.3.66 Yes
Application ntp ntp 4.3.67 Yes
Application ntp ntp 4.3.68 Yes
Application ntp ntp 4.3.69 Yes
Application ntp ntp 4.3.70 Yes
Application ntp ntp 4.3.71 Yes
Application ntp ntp 4.3.72 Yes
Application ntp ntp 4.3.73 Yes
Application ntp ntp 4.3.74 Yes
Application ntp ntp 4.3.75 Yes
Application ntp ntp 4.3.76 Yes
Application ntp ntp 4.3.77 Yes
Application ntp ntp 4.3.78 Yes
Application ntp ntp 4.3.79 Yes
Application ntp ntp 4.3.80 Yes
Application ntp ntp 4.3.81 Yes
Application ntp ntp 4.3.82 Yes
Application ntp ntp 4.3.83 Yes
Application ntp ntp 4.3.84 Yes
Application ntp ntp 4.3.85 Yes
Application ntp ntp 4.3.86 Yes
Application ntp ntp 4.3.87 Yes
Application ntp ntp 4.3.88 Yes
Application ntp ntp 4.3.89 Yes
Application ntp ntp 4.3.90 Yes
Application ntp ntp 4.3.91 Yes
References