THREATPORT/VULNERABILITY/CVE-2020-3430
HIGH SEVERITY

CVE-2020-3430

Jabber vulnerability

CVSS
8.8
EPSS
3.9%
EPSS pct
89th
Exploited
No known
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.
Affected vendor
Cisco
Affected product
Jabber
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness type (CWE)
  • CWE-78 — OS Command Injection
Published
2020-09-04

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 3.9% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 89% of all scored CVEs.

Check your external exposure to CVE-2020-3430

  • Confirm whether Cisco Jabber is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2020-3430.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2020-3430

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2020-3430 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

Run a free external exposure scan

Are you exposed to CVE-2020-3430?

Run an instant, non-intrusive external scan to check your attack surface for CVE-2020-3430.

Start free scan

No credit card. Agentless.

Related vulnerabilities

HIGH
CVE-2013-3854
Office vulnerability
HIGH
CVE-2013-3855
Office Compatibility Pack vulnerability
HIGH
CVE-2013-3856
Word vulnerability