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TI-2018-02955 Aliases CVE-2018-3987GHSA-vxjc-fx83-gm4p

Information disclosure in Rakuten Viber

Priority LOW 25CWE-200Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-200.

Summary

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.

Why it matters now

EPSS 0.00376 31st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—Rakuten ViberRakuten Viber Android 9.3.0.6—No fix listedCNA
  • Rakuten Viber Vendor— Affected Rakuten Viber Android 9.3.0.6 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:rakuten:viber:9.3.0.6:*:*:*:*:android:*:*9.3.0.6VulnerableRakuten Mobile, Inc.
  • cpe:2.3:a:rakuten:viber:9.3.0.6:*:*:*:*:android:*:* Versions 9.3.0.6 Vulnerable ·Rakuten Mobile, Inc.

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-3987
  2. 2026-10-03 Alias added: GHSA-vxjc-fx83-gm4p

References

Exploit 1

  • TI-2025-35211 Viber Desktop 25.6.0 is vulnerable to HTML Injection via the text parameter of the message compose/forward interface CVSS 3.1MEDIUM 6.3
  • TI-2019-09383 A vulnerability in Viber before 10.7.0 for Desktop (Windows) could allow an attacker to… CVSS 3.0HIGH 7.8
  • TI-2025-12320 Rakuten Viber uses broken or risky cryptographic Algorithm CVSS 3.1CRITICAL 9.8
  • TI-2019-13537 Viber through 11.7.0.5 allows a remote attacker who can capture a victim's internet… CVSS 3.1HIGH 8.8
  • TI-2020-11005 Viber for Windows up to 13.2.0.39 does not properly quote its custom URI handler. CVSS 3.1HIGH 7.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences