Vulnerability · Published Sep 4, 2020 · Assigned by cisco

CVE-2020-3495Cisco Jabber for Windows Message Handling Arbitrary Code Execution Vulnerability

Critical 9.9

In plain English

A critical-severity improper input validation in Cisco Jabber from Cisco. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 60.5% (higher than 99.2% of all known vulnerabilities).

Severity (CVSS 3.1)9.9Critical

Exploit odds (30 days)60.5%top 0.8% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

A vulnerability in Cisco Jabber for Windows could allow an authenticated, remote attacker to execute arbitrary code. The vulnerability is due to improper validation of message contents. An attacker could exploit this vulnerability by sending specially crafted Extensible Messaging and Presence Protocol (XMPP) messages to the affected software. A successful exploit could allow the attacker to cause the application to execute arbitrary programs on the targeted system with the privileges of the user account that is running the Cisco Jabber client software, possibly resulting in arbitrary code execution.

Affected products (as reported)

Vendor	Product	Versions
Cisco	Cisco Jabber	n/a

Weakness: CWE-20 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

References

20200902 Cisco Jabber for Windows Message Handling Arbitrary Code Execution Vulnerability vendor-advisory, x_refsource_CISCO