Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2019-6445

40
FAUCET Score

CVE-2019-6445 is a NULL pointer dereference vulnerability affecting NTPsec versions prior to 1.1.3. An authenticated attacker can exploit this flaw in ntp_control.c to cause a denial of service (ntpd crash). With a CVSS score of 6.5 (MEDIUM), this vulnerability has a low attack complexity and requires authentication, but can lead to high availability impact. While not in CISA's KEV catalog, a Proof-of-Concept exploit is publicly available on ExploitDB, though there is no evidence of active exploitation, Metasploit modules, or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.1.3CPE matchmatch criteria
cpe:2.3:a:ntpsec:ntpsec:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.5MEDIUM

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
14.08%
Probability of exploitation in next 30 days
EPSS Percentile
96.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
ExploitDB: EDB-46177 · Jan 16, 2019
This CVE's current EPSS score of 0.1408 is in the 99th percentile among its peer group of 21,939 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Remediation records are not available for this CVE.

References

dumpco.re / blog/ntpsec-bugs
ExploitThird Party Advisory
dumpco.re / bugs/ntpsec-authed-npe
ExploitThird Party Advisory
github.com / ntpsec/ntpsec/blob/NTPsec_1_1_3/NEWS
Release NotesThird Party Advisory
exploit-db.com / exploits/46177
ExploitThird Party AdvisoryVDB Entry