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CVE-2019-1689

Cisco Webex Teams for iOS Arbitrary File Upload Vulnerability

7.3 High

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.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
Low
User interaction
Required

What an attacker can affect

Confidentiality
None
Integrity
High
Availability
High

Exploit likelihood

1.57%Up 0.5 points since Apr 14, 2021
90%50%10%1%

What each source reports

CVE List Score used 7.3

Cisco Webex Teams for iOS Arbitrary File Upload Vulnerability

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.

Record
CVE-2019-1689
CVSS 3.0
7.3 HighCVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:H
Weakness
CWE-20
Updated
2026-11-02
EUVDEUVD-2019-10246 7.3

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.

Record
EUVD-2019-10246
CVSS 3.0
7.3 HighCVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:H
Updated
2026-11-03
GitHub AdvisoriesGHSA-rg62-gwr6-wv2q 7.3

A vulnerability in the client application for iOS of Cisco Webex Teams could allow an...

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.

Record
GHSA-rg62-gwr6-wv2q
CVSS 3.0
7.3 HighCVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:H
Weakness
CWE-20
Updated
2026-11-02
NVD 7.3

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.

Record
CVE-2019-1689
CVSS 3.1
7.3 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:H
CVSS 3.0
7.3 HighCVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:H
CVSS 2.0
4.9 MediumAV:N/AC:M/Au:S/C:N/I:P/A:P
Weakness
CWE-20
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2019-1689 is a high vulnerability (CVSS 7.3) in Cisco Webex Teams, published February 25, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.57%, the 75th percentile. No source names a fixed version.

References

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