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CVE-2023-43771

19
FAUCET Score

CVE-2023-43771 describes a denial-of-service vulnerability in nqptp versions prior to 1.2.3, specifically affecting the 'not_quite_ptp' software developed by mikebrady. An attacker could crash the program by sending specially crafted packets to the control port, leading to high availability impact. This vulnerability has a CVSS score of 5.5 (Medium) with a local attack vector and low complexity, but there is no evidence of active exploitation, public exploit code, or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.2.3CPE matchmatch criteria
cpe:2.3:a:mikebrady:not_quite_ptp:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.23%
Probability of exploitation in next 30 days
EPSS Percentile
13.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0023 is in the 61st percentile among its peer group of 15,937 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 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 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

github.com / mikebrady/nqptp/commit/b24789982d5cc067ecf6e8f3352b701d177530ec
Patch
github.com / mikebrady/nqptp/releases/tag/1.2.3
Release Notes
github.com / mikebrady/nqptp/releases/tag/1.2.4
Release Notes