CVE-2022-38351 — A vulnerability in Suprema BioStar (aka Bio Star) 2 v2

A vulnerability in Suprema BioStar (aka Bio Star) 2 v2.8.16 allows attackers to escalate privileges to System Administrator via a crafted PUT request to the update profile page.

01What is this vulnerability?

A vulnerability in Suprema BioStar (aka Bio Star) 2 v2.8.16 allows attackers to escalate privileges to System Administrator via a crafted PUT request to the update profile page.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

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: 2022-09-19T20:27:30.000Z
• Last modified: 2025-05-29T15:40:51.805Z

09References

• nobugescapes.com — https://nobugescapes.com/wp-content/uploads/2022/08/Part1.docx
• nobugescapes.com — https://nobugescapes.com/blog/privilege-escalation-from-user-operator-to-system-…