Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2013-5211

Severity CVSS v4.0:
Pending analysis
Type:
CWE-20 Input Validation
Publication date:
02/01/2014
Last modified:
11/04/2025

Description

The monlist feature in ntp_request.c in ntpd in NTP before 4.2.7p26 allows remote attackers to cause a denial of service (traffic amplification) via forged (1) REQ_MON_GETLIST or (2) REQ_MON_GETLIST_1 requests, as exploited in the wild in December 2013.

Impact

Vector 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:P CVSS v2.0 Severity and Metrics:

Base Score: 5.00 MEDIUM
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Physical

Base Score 2.0
5.00
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:opensuse:opensuse:11.4:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:*:*:*:*:*:*:*:* 4.2.7 (excluding)
cpe:2.3:a:ntp:ntp:4.2.7:-:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.7:p0:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.7:p1:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.7:p10:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.7:p11:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.7:p12:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.7:p13:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.7:p14:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.7:p15:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.7:p16:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.7:p17:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.7:p18:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.7:p19:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools