4.3 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:N/I:P/A:N
6.3 Medium
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
30.4%
The BlackBerry World app before 5.0.0.262 on BlackBerry 10 OS 10.2.0, before 5.0.0.263 on BlackBerry 10 OS 10.2.1, and before 5.1.0.53 on BlackBerry 10 OS 10.3.0 does not properly validate download/update requests, which allows user-assisted man-in-the-middle attackers to spoof servers and trigger the download of a crafted app by modifying the client-server data stream.