CVE-2019-1689

Name: CVE-2019-1689
Creator: NVD / NIST
Published: 2019-02-25T17:29:00.34+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.3/10EPSS 1.57%

Last modified Jun 17, 2026

CVE-2019-1689 is a high-severity vulnerability rated 7.3/10 on the CVSS scale. A vulnerability in the client application for iOS of Cisco Webex Teams could allow an authenticated, remote attacker to upload arbitrary files within the scope of the iOS application. The vulnerability is due to improper input validation in the client application. EPSS estimates a 1.57% chance of exploitation in the next 30 days.

Description

A vulnerability in the client application for iOS of Cisco Webex Teams could allow an authenticated, remote attacker to upload arbitrary files within the scope of the iOS application. The vulnerability is due to improper input validation in the client application. An attacker could exploit this vulnerability by sending a malicious file to a targeted user and persuading the user to manually open it. An exploit could allow the attacker to overwrite sensitive application files and eventually cause a denial of service (DoS) condition by foreclosing future access to the system to the targeted user. This vulnerability is fixed in version 3.13.26920.

Metrics

CVSS 3.1

7.3/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:H

EPSS Probability

1.57%

72.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Cisco	Webex Teams	< 3.13.26920

References

http://www.securityfocus.com/bid/107101Broken Link, Third Party Advisory, VDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190220-webx-ios-fileExploit, Vendor Advisory
http://www.securityfocus.com/bid/107101Broken Link, Third Party Advisory, VDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190220-webx-ios-fileExploit, Vendor Advisory

Timeline

Published: Feb 25, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-1689?

How severe is CVE-2019-1689?

CVE-2019-1689 has a CVSS score of 7.3/10 (HIGH severity). The EPSS model estimates a 1.57% probability of exploitation in the next 30 days.

How do I fix CVE-2019-1689?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-1689?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST