CVE-2019-6822 — A Use After Free: CWE-416 vulnerability exists in Zelio Soft 2, V5

A Use After Free: CWE-416 vulnerability exists in Zelio Soft 2, V5.2 and earlier, which could cause remote code execution when opening a specially crafted Zelio Soft 2 project file.

01What is this vulnerability?

A Use After Free: CWE-416 vulnerability exists in Zelio Soft 2, V5.2 and earlier, which could cause remote code execution when opening a specially crafted Zelio Soft 2 project file.

02Affected products

Vendor	Product	Versions
Zelio Soft	Zelio Soft 2 V5.2 and prior	Zelio Soft 2 V5.2 and earlier

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: 2019-07-15T20:46:39.000Z
• Last modified: 2024-08-04T20:31:04.201Z

09References

• www.securityfocus.com — http://www.securityfocus.com/bid/109100
• www.zerodayinitiative.com — https://www.zerodayinitiative.com/advisories/ZDI-19-658/
• www.schneider-electric.com — https://www.schneider-electric.com/ww/en/download/document/SEVD-2019-190-01
• www.us-cert.gov — https://www.us-cert.gov/ics/advisories/icsa-19-190-03