5.7med
CVE-2018-3891
An exploitable firmware downgrade vulnerability exists in the firmware update functionality of Yi Home Camera 27US 1.8.7.0D.
Published 8 y ago · modified 4 mo ago · JSON
CVSS
5.7
v3.0 · CNA
CISA KEV
No
not known exploited
EPSS
0.4%
percentile 35%
Public exploits
0
none known
Summary
An exploitable firmware downgrade vulnerability exists in the firmware update functionality of Yi Home Camera 27US 1.8.7.0D. A specially crafted file can cause a logic flaw, resulting in a firmware downgrade. An attacker can insert an SD card to trigger this vulnerability.
Exploit prediction (EPSS)
0.40% probability of exploitation in the next 30 days, higher than 35% of all scored CVEs.
CVSS scores
| Assigned by | Version | Score | Vector |
|---|---|---|---|
| CNA | 3.0 | 5.7 | CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L |
| NVD | 3.1 | 4.6 | CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
| CNA | 3.0 | 5.7 | CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L |
| NVD | 2.0 | 2.1 | AV:L/AC:L/Au:N/C:N/I:P/A:N |
Affected products
- unknown Yi Technology
References
- talosintelligence.com /vulnerability_reports/TALOS-2018-0566 · x_refsource_MISC, x_transferred
Sources
- CVE List: CVE-2018-3891
- NVD: CVE-2018-3891
vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.