CVE-2023-36612: Basecamp

High severity, CVSS 7.5. EPSS: 1.1% chance of exploitation in the next 30 days.

Directory traversal can occur in the Basecamp com.basecamp.bc3 application before 4.2.1 for Android, which may allow an attacker to write arbitrary files in the application's private directory. Additionally, by using a malicious intent, the attacker may redirect the server's responses (containing sensitive information) to third-party applications by using a custom-crafted deeplink scheme.

Affected products

  • Basecamp Basecamp: before 4.2.1 (fixed in 4.2.1)

Published 2023-06-25. Last modified 2026-06-17.