CVE-2020-10646 — Fuji Electric V-Server Lite all versions prior to 4

Fuji Electric V-Server Lite all versions prior to 4.0.9.0 contains a heap based buffer overflow. The buffer allocated to read data, when parsing VPR files, is too small.

01What is this vulnerability?

Fuji Electric V-Server Lite all versions prior to 4.0.9.0 contains a heap based buffer overflow. The buffer allocated to read data, when parsing VPR files, is too small.

02Affected products

Vendor	Product	Versions
n	a / Fuji Electric V	Server Lite all versions prior to 4.0.9.0 — Fuji Electric V-Server Lite all versions prior to 4.0.9.0

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

• 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.

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

• Published: 2020-04-13T18:50:27.000Z
• Last modified: 2024-08-04T11:06:10.554Z

09References

• www.us-cert.gov — https://www.us-cert.gov/ics/advisories/icsa-20-098-04