SB2020050703 - CRLF injection in Cisco Umbrella
Published: May 7, 2020
Security Bulletin ID
SB2020050703
Severity
Medium
Patch available
NO
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) CRLF injection (CVE-ID: CVE-2020-3246)
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 not aware of any official remediation provided by the vendor.