The Android App 'Tootdon for Mastodon' version 3.4.1 and earlier does not verify X.509 certificates from SSL servers, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate.
https://jvn.jp/en/jp/JVN57806517/index.html
http://blog.mastodon-tootdon.com/entry/2019/05/20/204019
Source: Mitre, NVD
Published: 2019-07-05
Updated: 2026-06-17
Base Score: 5.8
Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:N
Severity: Medium
Base Score: 7.4
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Severity: High
EPSS: 0.00116