SARA / Free Tools / CVE / CVE-2018-5440

CVE-2018-5440 — A Stack-based Buffer Overflow issue was discovered in 3S-Smart CODESYS Web Serve

A Stack-based Buffer Overflow issue was discovered in 3S-Smart CODESYS Web Server. Specifically: all Microsoft Windows (also WinCE) based CODESYS web servers running stand-alone Version 2.3, or as part of the CODESYS runtime system running prior to Version V1.1.9.19. A crafted re

CVSS
— —
EPSS
1.31% (top 20.40%)
CWE
CWE-121
Published
2018-02-15T10:00:00.000Z
Last modified
2024-08-05T05:33:44.368Z
CVSS vector
—

01What is this vulnerability?

A Stack-based Buffer Overflow issue was discovered in 3S-Smart CODESYS Web Server. Specifically: all Microsoft Windows (also WinCE) based CODESYS web servers running stand-alone Version 2.3, or as part of the CODESYS runtime system running prior to Version V1.1.9.19. A crafted request may cause a buffer overflow and could therefore execute arbitrary code on the web server or lead to a…

02Affected products

VendorProductVersions
na / 3SSmart Software Solutions GmbH CODESYS Web Server — 3S-Smart Software Solutions GmbH CODESYS Web Server

03Active exploitation status

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

04Recommended remediation

05Technical details

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

06Detection signatures

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

07Related CVEs

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

08Timeline

09References

Want this in your SOAR or SIEM?
SARA's API returns EPSS, CVSS, KEV, and an analyst-grade summary in one call.
Read the API reference →
EPSS detail → Search KEV → Ask SARA →