Cisco Webex Teams Logging Feature Command Execution Vulnerability

published 2019-09-05 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-10496

cvss: 7.5; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 4.3%; EPSS 4.3% chance of exploitation in 30 days, percentile 91%
public exploits: 0; none known

A vulnerability in the Cisco Webex Teams client for Windows could allow an unauthenticated, remote attacker to execute arbitrary commands on an affected system. This vulnerability is due to improper restrictions on software logging features used by the application on Windows operating systems. An attacker could exploit this vulnerability by convincing a targeted user to visit a website designed to submit malicious input to the affected application. A successful exploit could allow the attacker to cause the application to modify files and execute arbitrary commands on the system with the privileges of the targeted user.

Patch / fix

fixed in 1

Cisco Cisco Webex Teams 3.0.12427.0

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 23 mo ago (2024-11-20)

Exploit prediction

4.31% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.0	7.5	CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD	2.0	9.3	AV:N/AC:M/Au:N/C:C/I:C/A:C

Affected products

Cisco Cisco Webex Teams

Classification

Weakness

CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component
CWE-269 Improper Privilege Management

References

tools.cisco.com /security/center/content/CiscoSecurityAdvisory/cisco-sa-20190904-webex-teams
vendor-advisory

Sources

CVE List CVE-2019-1939
NVD CVE-2019-1939

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Summary