CVE-2017-15999
CVE-2017-15999 is a critical-severity vulnerability in Nq Contacts Backup & Restore with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-319.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 5.0
- EPSS exploit prediction: 1% (48th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-319
- Affected product: Nq Contacts Backup & Restore
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2017-15999?
- 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.
- How severe is CVE-2017-15999?
- CVE-2017-15999 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2017-15999 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2017-15999?
- CVE-2017-15999 affects Nq Contacts Backup & Restore. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2017-15999?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2017-15999 published?
- CVE-2017-15999 was published on 2017-10-29 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:nq:contacts_backup_\&_restore:1.1:*:*:*:*:android:*:*
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