CVE-2019-20061 — The user-introduction email in MFScripts YetiShare v3

The user-introduction email in MFScripts YetiShare v3.5.2 through v4.5.4 may leak the (system-picked) password if this email is sent in cleartext. In other words, the user is not allowed to choose their own initial password.

01What is this vulnerability?

The user-introduction email in MFScripts YetiShare v3.5.2 through v4.5.4 may leak the (system-picked) password if this email is sent in cleartext. In other words, the user is not allowed to choose their own initial password.

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: 2020-02-10T12:19:34.000Z
• Last modified: 2024-08-05T02:32:10.507Z

09References

• yetishare.com — https://yetishare.com/
• mfscripts.com — https://mfscripts.com/
• medium.com — https://medium.com/%40jra8908/yetishare-3-5-2-4-5-4-multiple-vulnerabilities-927…