CVE DATABASE / CVE-2017-15999
CVE-2017-15999
CVSS 9.8 · CRITICAL
Summary
In the "NQ Contacts Backup & Restore" application 1.1 for Android, no HTTPS is used for transmitting login and synced user data. When logging in, the username is transmitted in cleartext along with an SHA-1 hash of the password. The attacker can either crack this hash or use it for further attacks where only the hash value is required.
CVSS 3.0 breakdown
| Base score | 9.8 (CRITICAL) |
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| Attack vector | NETWORK |
| Attack complexity | LOW |
| Privileges required | NONE |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity | HIGH |
| Availability | HIGH |
Weakness type (CWE)
Affected products
Nq contacts backup \& restore
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References
Data: NIST NVD. NVD last modified 2026-05-13. Always verify against the vendor advisory before acting.