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CVE-2020-3430

HIGHCVSS 8.8/10EPSS 3.90%

Last modified

CVE-2020-3430 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. A vulnerability in the application protocol handling features of Cisco Jabber for Windows could allow an unauthenticated, remote attacker to execute arbitrary commands. The vulnerability is due to improper handling of input to the application protocol handlers. EPSS estimates a 3.90% chance of exploitation in the next 30 days.

Description

A vulnerability in the application protocol handling features of Cisco Jabber for Windows could allow an unauthenticated, remote attacker to execute arbitrary commands. The vulnerability is due to improper handling of input to the application protocol handlers. An attacker could exploit this vulnerability by convincing a user to click a link within a message sent by email or other messaging platform. A successful exploit could allow the attacker to execute arbitrary commands on a targeted system with the privileges of the user account that is running the Cisco Jabber client software.

Metrics

CVSS 3.1
8.8/10

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

EPSS Probability
3.90%

88.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
CiscoJabber>= 12.1, < 12.1.3
CiscoJabber>= 12.5, < 12.5.2
CiscoJabber>= 12.6, < 12.6.3
CiscoJabber>= 12.7, < 12.7.2
CiscoJabber>= 12.8, < 12.8.3
CiscoJabber>= 12.9, < 12.9.1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2020-3430?
A vulnerability in the application protocol handling features of Cisco Jabber for Windows could allow an unauthenticated, remote attacker to execute arbitrary commands. The vulnerability is due to improper handling of input to the application protocol handlers. An attacker could exploit this vulnerability by convincing a user to click a link within a message sent by email or other messaging platform. A successful exploit could allow the attacker to execute arbitrary commands on a targeted system with the privileges of the user account that is running the Cisco Jabber client software.
How severe is CVE-2020-3430?
CVE-2020-3430 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 3.90% probability of exploitation in the next 30 days.
How do I fix CVE-2020-3430?
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-2020-3430?

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

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Source: NVD / NIST