CVE-2020-11826 — Users can lock their notes with a password in Memono version 3

Users can lock their notes with a password in Memono version 3.8. Thus, users needs to know a password to read notes. However, these notes are stored in a database without encryption and an attacker can read the password-protected notes without having the password. Notes are stor

01What is this vulnerability?

Users can lock their notes with a password in Memono version 3.8. Thus, users needs to know a password to read notes. However, these notes are stored in a database without encryption and an attacker can read the password-protected notes without having the password. Notes are stored in the ZENTITY table in the memono.sqlite database.

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: 2020-04-16T18:48:36.000Z
• Last modified: 2024-08-04T11:42:00.505Z

09References

• fatihhcelik.blogspot.com — https://fatihhcelik.blogspot.com/2020/02/memono-insecure-data-storage-ios.html