{"id":"CVE-2020-14049","aliases":["EUVD-2020-6211","GHSA-r3v6-qx45-r3j8"],"status":"published","title":"Viber for Windows up to 13.2.0.39 does not properly quote its custom URI handler. A malicious...","description":"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 cracking. NOTE: this issue exists because of an incomplete fix for CVE-2019-12569.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.02216,"percentile":0.82764,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-428","CWE-88"],"published":"2020-06-22T17:27:35Z","modified":"2026-06-17T02:54:09Z","products":[{"vendor":"rakuten","product":"viber"}],"references":[{"url":"https://www.viber.com/en/security/","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://jeffs.sh/CVEs/CVE-2020-14049.txt","tags":["x_refsource_MISC","x_transferred","Exploit","Mitigation","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-14049"},{"url":"https://github.com/advisories/GHSA-r3v6-qx45-r3j8"}],"sources":{"cve":[{"id":"CVE-2020-14049","description":"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 cracking. NOTE: this issue exists because of an incomplete fix for CVE-2019-12569.","status":"published","published":"2020-06-22T17:27:35Z","modified":"2024-08-04T12:32:14.722Z","updated_at":"2026-11-02T14:35:46.476719Z"}],"euvd":[{"id":"EUVD-2020-6211","description":"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 cracking. NOTE: this issue exists because of an incomplete fix for CVE-2019-12569.","status":"published","published":"2020-06-22T17:27:35Z","modified":"2024-08-04T12:32:14Z","updated_at":"2026-11-03T03:07:35.697348Z"}],"ghsa":[{"id":"GHSA-r3v6-qx45-r3j8","title":"Viber for Windows up to 13.2.0.39 does not properly quote its custom URI handler. A malicious...","description":"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 cracking. NOTE: this issue exists because of an incomplete fix for CVE-2019-12569.","status":"published","published":"2022-05-24T17:21:24Z","modified":"2023-01-29T05:03:24Z","cwes":["CWE-428"],"updated_at":"2026-11-02T14:45:19.009235Z"}],"nvd":[{"id":"CVE-2020-14049","description":"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 cracking. NOTE: this issue exists because of an incomplete fix for CVE-2019-12569.","status":"published","published":"2020-06-22T18:15:11.54Z","modified":"2026-06-17T02:54:09.337Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-88"],"updated_at":"2026-11-02T14:06:07.249892Z"}]}}