Information disclosure in Cisco Jabber
CVE-2020-3537
A vulnerability in Cisco Jabber for Windows software could allow an authenticated, remote attacker to gain access to sensitive information. The vulnerability is due to improper validation of message contents. An attacker could exploit this vulnerability by sending specially crafted messages that contain Universal Naming Convention (UNC) links to a targeted user and convincing the user to follow the provided link. A successful exploit could allow the attacker to cause the application to access a remote system, possibly allowing the attacker to gain access to sensitive information that the attacker could use in additional attacks.
Vulnerability class: Information Disclosure
EPSS: 0.013 (67.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N.
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-2020-3537?
- CVE-2020-3537 is a medium-severity vulnerability in Cisco Jabber, classified under Information Disclosure. CVSS score: 5.7/10. Published 2020-09-04.
- How severe is CVE-2020-3537?
- Medium severity. CVSS v3 base score is 5.7 out of 10.
- Is CVE-2020-3537 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.