CVE-2018-8909
CVE-2018-8909 is a high-severity vulnerability in Wire with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 5.0
- EPSS exploit prediction: 2% (78th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-22
- Affected product: Wire
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is CVE-2018-8909?
- 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.
- How severe is CVE-2018-8909?
- CVE-2018-8909 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
- Is CVE-2018-8909 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-8909?
- CVE-2018-8909 affects Wire. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2018-8909?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2018-8909 published?
- CVE-2018-8909 was published on 2018-03-22 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:wire:wire:*:*:*:*:*:android:*:*
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