CRLF injection in Cisco Umbrella - CVE-2020-3246
Published: May 7, 2020
Vulnerability identifier: #VU27581
CSH Severity: Medium
CVSS v4: 4.6 [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]
CVE-ID: CVE-2020-3246
CWE-ID: CWE-93
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
Cisco Umbrella
How to mitigate CVE-2020-3246
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.