Viber
by Rakuten
CVEs (6)
| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2025-13476 | Cri | 0.64 | 9.8 | 0.00 | Mar 5, 2026 | Rakuten Viber Cloak mode in Android v25.7.2.0g and Windows v25.6.0.0–v25.8.1.0 uses a static and predictable TLS ClientHello fingerprint lacking extension diversity, allowing Deep Packet Inspection (DPI) systems to trivially identify and block proxy traffic, undermining… | ||
| CVE-2019-18800 | Hig | 0.57 | 8.8 | 0.02 | Nov 6, 2019 | Viber through 11.7.0.5 allows a remote attacker who can capture a victim's internet traffic to steal their Viber account, because not all Viber protocol traffic is encrypted. TCP data packet 9 on port 4244 from the victim's device contains cleartext information such as the… | ||
| CVE-2019-12569 | Hig | 0.52 | 7.8 | 0.15 | Jun 3, 2019 | A vulnerability in Viber before 10.7.0 for Desktop (Windows) could allow an attacker to execute arbitrary commands on a targeted system. This vulnerability is due to unsafe search paths used by the application URI. An attacker could exploit this vulnerability by convincing a… | ||
| CVE-2020-14049 | Hig | 0.49 | 7.5 | 0.02 | Jun 22, 2020 | Viber for Windows up to 13.2.0.39 does not properly quote its custom URI handler. A malicious website could launch Viber with arbitrary parameters, forcing a victim to send an NTLM authentication request, and either relay the request or capture the hash for offline password… | ||
| CVE-2025-55996 | Med | 0.41 | 6.3 | 0.00 | Sep 12, 2025 | Viber Desktop 25.6.0 is vulnerable to HTML Injection via the text parameter of the message compose/forward interface | ||
| CVE-2018-3987 | Med | 0.36 | 5.5 | 0.00 | Feb 13, 2020 | 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… |
- risk 0.64cvss 9.8epss 0.00
Rakuten Viber Cloak mode in Android v25.7.2.0g and Windows v25.6.0.0–v25.8.1.0 uses a static and predictable TLS ClientHello fingerprint lacking extension diversity, allowing Deep Packet Inspection (DPI) systems to trivially identify and block proxy traffic, undermining…
- risk 0.57cvss 8.8epss 0.02
Viber through 11.7.0.5 allows a remote attacker who can capture a victim's internet traffic to steal their Viber account, because not all Viber protocol traffic is encrypted. TCP data packet 9 on port 4244 from the victim's device contains cleartext information such as the…
- risk 0.52cvss 7.8epss 0.15
A vulnerability in Viber before 10.7.0 for Desktop (Windows) could allow an attacker to execute arbitrary commands on a targeted system. This vulnerability is due to unsafe search paths used by the application URI. An attacker could exploit this vulnerability by convincing a…
- risk 0.49cvss 7.5epss 0.02
Viber for Windows up to 13.2.0.39 does not properly quote its custom URI handler. A malicious website could launch Viber with arbitrary parameters, forcing a victim to send an NTLM authentication request, and either relay the request or capture the hash for offline password…
- risk 0.41cvss 6.3epss 0.00
Viber Desktop 25.6.0 is vulnerable to HTML Injection via the text parameter of the message compose/forward interface
- risk 0.36cvss 5.5epss 0.00
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…