#VU27581 CRLF injection in Cisco Umbrella - CVE-2020-3246
Published: May 7, 2020
Vulnerability identifier: #VU27581
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2020-3246
CWE-ID: CWE-93
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Cisco Umbrella
Cisco Umbrella
Software vendor:
Cisco Systems, Inc
Cisco Systems, Inc
Description
The vulnerability allows a remote attacker to perform CRLF injection attacks.
The vulnerability exists due to insufficient filtration of user-supplied data in the web server. A remote attacker can trick a victim to access a malicious URL and inject arbitrary HTTP headers into valid HTTP responses sent to the browser of the user.
Remediation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.