SARA / Free Tools / CVE / CVE-2023-5908

CVE-2023-5908 — KEPServerEX is vulnerable to a buffer overflow which may allow an attacker to cr

KEPServerEX is vulnerable to a buffer overflow which may allow an attacker to crash the product being accessed or leak information.

CVSS

9.1 CRITICAL

EPSS

0.04% (top 89.80%)

CWE

CWE-122

Published

2023-11-30T22:03:58.098Z

Last modified

2024-08-02T08:14:24.586Z

CVSS vector

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

01What is this vulnerability?

KEPServerEX is vulnerable to a buffer overflow which may allow an attacker to crash the product being accessed or leak information.

Vendor	Product	Versions
PTC	KEPServerEX	0
PTC	ThingWorx Kepware Server	0
PTC	ThingWorx Industrial Connectivity	All versions
PTC	OPC	Aggregator — 0
PTC	ThingWorx Kepware Edge	0
Rockwell Automation	KEPServer Enterprise	0
GE Gigital	Industrial Gateway Server	0
Software Toolbox	TOP Server	0

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

Patch to a fixed version listed in the vendor advisory (see references below).
Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
Hunt historical logs for exploitation indicators — see Detection signatures below.

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

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