RCE in Cisco Jabber
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.
Vulnerability class: Command Injection (OS Command Injection)
EPSS: 0.039 (89.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Cisco Jabber — versions n/a
- Cisco Jabber
Weakness classification (CWE)
Public proof-of-concept exploits
References
- psirt@cisco.com (x_refsource_CISCO, vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-3430?
- CVE-2020-3430 is a high-severity vulnerability in Cisco Jabber, classified under OS Command Injection. CVSS score: 8.8/10. Published 2020-09-04.
- How severe is CVE-2020-3430?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2020-3430 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.