Read the docs
TI-2023-03725 Aliases CVE-2023-4012GHSA-777h-w3h9-x4qv

Incomplete Internal State Distinction in ntpsec

Priority LOW 39CWE-372Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

ntpd will crash if the server is not NTS-enabled (no certificate) and it receives an NTS-enabled client request (mode 3).

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0045 39th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
NTPsecntpsec1.2.2—No fix listedCNA
  • ntpsec VendorNTPsec Affected 1.2.2 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:ntpsec:ntpsec:1.2.2:*:*:*:*:*:*:*1.2.2VulnerableNTPsec
  • cpe:2.3:a:ntpsec:ntpsec:1.2.2:*:*:*:*:*:*:* Versions 1.2.2 Vulnerable ·NTPsec

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-4012
  2. 2026-10-03 Alias added: GHSA-777h-w3h9-x4qv

References

Advisory 2

  • TI-2019-04513 An issue was discovered in NTPsec before 1.1.3. CVSS 3.0CRITICAL 9.1
  • TI-2019-04514 An issue was discovered in NTPsec before 1.1.3. CVSS 3.0CRITICAL 9.1
  • TI-2019-04515 An issue was discovered in NTPsec before 1.1.3. CVSS 3.0MEDIUM 6.5
  • TI-2019-04512 An issue was discovered in NTPsec before 1.1.3. CVSS 3.0MEDIUM 6.5
  • TI-2021-05198 Broken or risky cryptographic algorithm in ntpsec CVSS 3.1HIGH 7.4
  • TI-2016-01415 ntpd in NTP 4.2.8p3 and NTPsec a5fb34b9cc89b92a8fef2f459004865c93bb7f92 relies on the… CVSS 3.0LOW 3.7

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences