CVE-2019-5961 json
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-t…
published 2019-07-05 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-15529
- cvss
- 7.4
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 51%
- public exploits
- 0
- none known
Summary
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.
Exploit prediction
0.64% chance of exploitation in the next 30 days, higher than 51% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 7.4 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N |
| NVD | 2.0 | 5.8 | AV:N/AC:M/Au:N/C:P/I:P/A:N |
Affected products
- Tsukurito, Inc. Android App 'Tootdon for Mastodon'
Classification
- Weakness
-
- CWE-295 Improper Certificate Validation
References
-
blog.mastodon-tootdon.com
/entry/2019/05/20/204019
vendor-advisory
-
jvn.jp
/en/jp/JVN57806517/index.html
third-party-advisory
Sources
- CVE List CVE-2019-5961
- NVD CVE-2019-5961
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.