CVE-2018-8909 json
The Wire application before 2018-03-07 for Android allows attackers to write to pathnames outside of the downloads directory via a ../ in a…
published 2018-03-22 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-20517
- cvss
- 7.5
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.6%
- EPSS 1.6% chance of exploitation in 30 days, percentile 75%
- public exploits
- 0
- none known
Summary
The Wire application before 2018-03-07 for Android allows attackers to write to pathnames outside of the downloads directory via a ../ in a filename of a received file, related to AssetService.scala.
Patch / fix
- wire wire 2018-03-07
Exploit prediction
1.58% chance of exploitation in the next 30 days, higher than 75% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- x41-dsec.de https://www.x41-dsec.de/reports/X41-Kudelski-Wire-Security-Review-Android.pdf referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:P/A:N |
Classification
- Weakness
-
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory
References
-
x41-dsec.de
/reports/X41-Kudelski-Wire-Security-Review-Android.pdf
exploit, third-party-advisory
Sources
- CVE List CVE-2018-8909
- NVD CVE-2018-8909
Fencer Intel 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.