Viber
Vendor:
First CVE: Jun 3, 2019 · Active for 7 years
6
Total CVEs
More Total CVEs than 83% of tracked products
1.5
Avg CVEs / Year
Higher CVE frequency than 59% of tracked products
7.6
Avg CVSS
Higher Avg CVSS than 64% of tracked products
0.0%
KEV Rate
Bottom 1%
Trends Over Time
The number and severity of CVEs published that impact Viber over time
Volume of CVEsAvg CVSS Base Score
First CVE
Jun 3, 2019
7 years ago
Most Recent CVE
Mar 5, 2026
145 days ago
CVE Severity & Scoring
Viber6 CVEs
33%
50%
17%
All CVEs353,240 CVEs
45%
40%
11%
MediumHighCritical
Attack Vector
Local2 (33.3%)
Network4 (66.7%)
Unknown0 (0.0%)
Physical0 (0.0%)
Adjacent Network0 (0.0%)
Attack Complexity
Low6 (100.0%)
High0 (0.0%)
Unknown0 (0.0%)
User Interaction
None3 (50.0%)
Unknown0 (0.0%)
Required3 (50.0%)
Privileges Required
Low1 (16.7%)
High0 (0.0%)
None5 (83.3%)
Unknown0 (0.0%)
Top CVEs
Signals from CVEs in this product scope (6 CVEs).
6 CVEs · Highest risk first
| CVE | Published | CVSS | Risk | KEV | Exploit |
|---|---|---|---|---|---|
CVE-2025-13476CRITICAL 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 | Mar 5, 2026 | 9.8 | 32 | NO | NO |
CVE-2019-12569HIGH 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 | Jun 3, 2019 | 7.8 | 32 | NO | NO |
CVE-2019-18800HIGH 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 d | Nov 6, 2019 | 8.8 | 28 | NO | NO |
CVE-2020-14049HIGH 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 | Jun 22, 2020 | 7.5 | 24 | NO | NO |
CVE-2025-55996MEDIUM Viber Desktop 25.6.0 is vulnerable to HTML Injection via the text parameter of the message compose/forward interface | Sep 12, 2025 | 6.3 | 21 | NO | NO |
CVE-2018-3987MEDIUM 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 t | Feb 13, 2020 | 5.5 | 18 | NO | NO |
Exploit Exposure
Signals from CVEs in this product scope (6 CVEs).
CISA KEV
0 CVEs
0.0% of CVEs· Bottom 1%
Metasploit
0 CVEs
0.0% of CVEs· Bottom 1%
Nuclei
0 CVEs
0.0% of CVEs· Bottom 1%
ExploitDB
0 CVEs
0.0% of CVEs· Bottom 1%
Social Chatter
Signals from CVEs in this product scope (6 CVEs).
Media Mentions
Signals from CVEs in this product scope (6 CVEs).
Top CNAs Publishing CVEs For Viber
Top CWEs
Versions
| Version | CVE Count | Avg CVSS | Avg EPSS | KEV | Exploits |
|---|---|---|---|---|---|
| 9.3.0.6 | 2 | 7.7 | 0.4% | 0 | 0 |