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Vulnerability record · CVE-2019-12645 · published 5 September 2019

CVE-2019-12645: Cisco jabber improper input validation vulnerability

Cisco · Jabber

A vulnerability in Cisco Jabber Client Framework (JCF) for Mac Software, installed as part of the Cisco Jabber for Mac client, could allow an authenticated, local attacker to execute arbitrary code on an affected device The vulnerability is due to improper file level permissions on an affected device when it is running Cisco JCF for Mac Software. An attacker could exploit this vulnerability by authenticating to the affected device and executing arbitrary code or potentially modifying certain configuration files. A successful exploit could allow the attacker to execute arbitrary code or modify certain configuration files on the device using the privileges of the installed Cisco JCF for Mac Software.

7.8 CVSS 3.1 High EPSS 0.31% · top 78.3% CWE-20 · Improper input validationCWE-732 · Incorrect permission assignment
7.8CVSS 3.1 base score, v2 7.2
0.31%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

A vulnerability in Cisco Jabber Client Framework (JCF) for Mac Software, installed as part of the Cisco Jabber for Mac client, could allow an authenticated, local attacker to execute arbitrary code on an affected device The vulnerability is due to improper file level permissions on an affected device when it is running Cisco JCF for Mac Software. An attacker could exploit this vulnerability by authenticating to the affected device and executing arbitrary code or potentially modifying certain configuration files. A successful exploit could allow the attacker to execute arbitrary code or modify certain configuration files on the device using the privileges of the installed Cisco JCF for Mac Software.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190904-jcf-codex Vendor Advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190904-jcf-codex Vendor Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2019-12645), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.