CVE-2023-0897 — Sielco PolyEco1000 is vulnerable to a session hijack vulnerability due to the co

Sielco PolyEco1000 is vulnerable to a session hijack vulnerability due to the cookie being vulnerable to a brute force attack, lack of SSL, and the session being visible in requests.

01What is this vulnerability?

Sielco PolyEco1000 is vulnerable to a session hijack vulnerability due to the cookie being vulnerable to a brute force attack, lack of SSL, and the session being visible in requests.

02Affected products

Vendor	Product	Versions
Sielco	PolyEco1000	CPU:2.0.6 FPGA:10.19, CPU:1.9.4 FPGA:10.19, CPU:1.9.3 FPGA:10.19, CPU:1.7.0 FPGA:10.16, CPU:2.0.2 FPGA:10.19, CPU:2.0.0 FPGA:10.19

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: 2023-10-26T19:44:01.703Z
• Last modified: 2025-01-16T21:27:45.701Z

09References

• www.cisa.gov — https://www.cisa.gov/news-events/ics-advisories/icsa-23-299-07