CVE-2018-5258 json
The Neon app 1.6.14 iOS does not verify X.509 certificates from SSL servers, which allows remote attackers to spoof servers and obtain sens…
published 2018-01-17 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-17040
- cvss
- 5.9
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.9%
- EPSS 0.9% chance of exploitation in 30 days, percentile 58%
- public exploits
- 0
- none known
Summary
The Neon app 1.6.14 iOS does not verify X.509 certificates from SSL servers, which allows remote attackers to spoof servers and obtain sensitive information via a crafted certificate.
Exploit prediction
0.85% chance of exploitation in the next 30 days, higher than 58% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 5.9 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:P/I:N/A:N |
Classification
- Weakness
-
- CWE-295 Improper Certificate Validation
References
-
gist.github.com
/rlaneth/d2203c206d5d5acbdaf6069e78b1d07f
issue-tracking, third-party-advisory
-
tecmundo.com.br
/seguranca/126192-banco-neon-falha-permite-hacker-acesse-conta-roube-dados-clientes.htm
third-party-advisory
-
radialle.com
/cve-2018-5258-writeup-aplicativo-do-banco-neon-para-ios-n%C3%A3o-valida-certificados-ssl-84bed0b0cecb
third-party-advisory
Sources
- CVE List CVE-2018-5258
- NVD CVE-2018-5258
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.