Vulnerability record · CVE-2018-3987 · published 13 February 2020

CVE-2018-3987: Rakuten viber information exposure vulnerability

Rakuten · Viber

An exploitable information disclosure vulnerability exists in the 'Secret Chats' functionality of Rakuten Viber on Android 9.3.0.6. The 'Secret Chats' functionality allows a user to delete all traces of a chat either by using a time trigger or by direct request. There is a bug in this functionality which leaves behind photos taken and shared on the secret chats, even after the chats are deleted. These photos will be stored in the device and accessible to all applications installed on the Android device.

5.5 CVSS 3.1 Medium EPSS 0.38% · top 71.0% CWE-200 · Information exposure

5.5CVSS 3.1 base score, v2 2.1

0.38%EPSS exploitation probability, 30 days

NoNot in CISA KEV

1Affected product versions listed by NVD

2References, 2 tagged exploit

17 Jun 2026Last modified by NVD

Description

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

Viber Rakuten

References

Link	Tags
https://talosintelligence.com/vulnerability_reports/TALOS-2018-0655	ExploitThird Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2018-0655	ExploitThird Party Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2018-3987), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.