CVE-2017-15999

Severity CVSS v4.0:

Pending analysis

Type:

CWE-319 Cleartext Transmission of Sensitive Information

Publication date:

29/10/2017

Last modified:

20/04/2025

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.

Impact

Vector 3.x

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 9.80 CRITICAL
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x

9.80

Severity 3.x

CRITICAL

Vector 2.0

AV:N/AC:L/Au:N/C:P/I:N/A:N CVSS v2.0 Severity and Metrics:

Base Score: 5.00 MEDIUM
Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): None
Availability (A): None