Is CVE-2017-15999 actively exploited?

No active exploitation of CVE-2017-15999 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2017-15999 be exploited remotely?

Yes. CVE-2017-15999 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2017-15999?

CVE-2017-15999 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2017-15999

CRITICAL

CVE-2017-15999

CWE-319Published: October 29, 2017· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

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.

NVD Source

Technical Analysis

CVE-2017-15999 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.