CVE-2023-29446

MEDIUMNVD 4.74.7—

4.7

An improper input validation vulnerability has been discovered that could allow an adversary to inject a UNC path via a malicious project file. This allows an adversary to capture NLTMv2 hashes and potentially crack them offline.

CVSS v3: 4.7
EG Score: 4.7(medium)
EPSS: 21.8%
KEV: Not listed

Published

January 10, 2024

Last Modified

November 21, 2024

References (6)

ot-cert@dragoshttps://www.cisa.gov/news-events/ics-advisories/icsa-23-243-03
ot-cert@dragoshttps://www.dragos.com/advisory/ptcs-kepserverex-vulnerabilities/
ot-cert@dragoshttps://www.ptc.com/en/support/article/cs399528
af854a3a-2127-422b-91ae-364da2661108https://www.cisa.gov/news-events/ics-advisories/icsa-23-243-03
af854a3a-2127-422b-91ae-364da2661108https://www.dragos.com/advisory/ptcs-kepserverex-vulnerabilities/
af854a3a-2127-422b-91ae-364da2661108https://www.ptc.com/en/support/article/cs399528

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 9× in last 7d / 9× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-24 10:38 UTCEG score recompute
2026-05-24 10:38 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2023-29446?

CVE-2023-29446 is a medium vulnerability published on January 10, 2024. An improper input validation vulnerability has been discovered that could allow an adversary to inject a UNC path via a malicious project file. This allows an adversary to capture NLTMv2 hashes and potentially crack them offline.

When was CVE-2023-29446 disclosed?

CVE-2023-29446 was first published in the National Vulnerability Database on January 10, 2024, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-29446 actively exploited?

CVE-2023-29446 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 21.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-29446?

CVE-2023-29446 has a CVSS v3 base score of 4.7 (NVD).

How do I remediate CVE-2023-29446?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-29446, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2023-29446

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CVE-2023-29446

📅 Published

🔄 Last Modified

🔗 References (6)