What’s Vulnerable › Vulnerabilities

CVE-2019-1948: Cisco Webex Meetings Mobile (iOS) SSL Certificate Validation Vulnerability

• Severity: medium (CVSS 5.9 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-08-21 · updated 2026-06-17
• Weakness: CWE-295

Description

A vulnerability in Cisco Webex Meetings Mobile (iOS) could allow an unauthenticated, remote attacker to gain unauthorized read access to sensitive data by using an invalid Secure Sockets Layer (SSL) certificate. The vulnerability is due to insufficient SSL certificate validation by the affected software. An attacker could exploit this vulnerability by supplying a crafted SSL certificate to an affected device. A successful exploit could allow the attacker to conduct man-in-the-middle attacks to decrypt confidential information on user connections to the affected software.

Affected products

• Cisco Webex Meetings: from 11.3 through 39.5

References

• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190821-webex-ssl-cert
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190821-webex-ssl-cert

Get alerted when CVE-2019-1948 or the next vulnerability affects your stack