CVE Tools
Sign in

CVE-2019-11331

Published: Apr 18, 2019Updated: Nov 21, 2024 Sources: CVE List NVD BDUNVD-CWE-noinfo
8.1HIGH
NVD MITRE
EPSS Score
2.6%
Top 16.3%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

Description

Network Time Protocol (NTP), as specified in RFC 5905, uses port 123 even for modes where a fixed port number is not required, which makes it easier for remote attackers to conduct off-path attacks.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:HPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:HAttack Complexity
High
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

NVD-CWE-noinfo

Affected Products

ntp
oss-projectaka ntp daemon
ntpOn-prem
Networking Infrastructure / dns-dhcp-ntp
Network Time Foundation
oss-project
NTPOn-prem
Networking Infrastructure / dns-dhcp-ntp
and 1 more affected products View all →

Exploitability

Official Patch Available
Is your org exposed to CVE-2019-11331?We can run the check for you — a free external exposure review, no install. Check my exposure

References

http://www.securityfocus.com/bid/108010
securityfocus.com
https://support.f5.com/csp/article/K09940637
support.f5.com
https://support.f5.com/csp/article/K09940637?utm_source=f5support&amp%3Butm_medium=RSS
support.f5.com
and 7 more references View all →
News mentions
Could not load news mentions.

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2019-11331 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows