CVE-2023-29446: Improper Input Validation in PTC's Kepware KEPServerEX

Medium severity · published Jan 10, 2024

CVE-2023-29446

Improper Input Validation in PTC's Kepware KEPServerEX

4.7

CVSS

0.2%

EPSS

On KEV

Description

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 vector

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

Attack vector

Local

Complexity

High

Privileges

None

User interaction

Required

Confidentiality

High

Integrity

None

Availability

None

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)0.2% · higher than 16% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

Kepware KEPServerEX · PTC

through 6.14.263.0 · source: vendor, NVD

ThingWorx Industrial Connectivity · PTC

8.0 through 8.5 · source: vendor, NVD

ThingWorx Kepware Server · PTC

through 6.14.263.0 · source: vendor, NVD

Affected product

Kepware KEPServerEX

PTC

All Kepware KEPServerEX CVEs

References

NVD

https://nvd.nist.gov/vuln/detail/CVE-2023-29446

CVE.org

https://www.cve.org/CVERecord?id=CVE-2023-29446

Third Party Advisory

https://www.cisa.gov/news-events/ics-advisories/icsa-23-243-03

Third Party Advisory

https://www.dragos.com/advisory/ptcs-kepserverex-vulnerabilities/

Vendor Advisory

https://www.ptc.com/en/support/article/cs399528