CVE-2020-3246: medium-severity vulnerability in Cisco Umbrella
Cisco Umbrella Carriage Return Line Feed Injection Vulnerability
Published · Updated
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13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 4.7epss 0.9%
A vulnerability in the web server of Cisco Umbrella could allow an unauthenticated, remote attacker to perform a carriage return line feed (CRLF) injection attack against a user of an affected service. The vulnerability is due to insufficient validation of user input. An attacker could exploit this vulnerability by persuading a user to access a crafted URL. A successful exploit could allow the attacker to inject arbitrary HTTP headers into valid HTTP responses sent to the browser of the user.
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N
Affected products
Cisco · Cisco UmbrellaRelated CVEs — Cisco Umbrella
In the same product, most dangerous first.
CVE-2018-0437—Cisco Umbrella Enterprise Roaming Client and Enterprise Roaming Module Privilege Escalation VulnerabilityEPSS 1.5%CVE-2019-1807HIGHCisco Umbrella Dashboard Session Management VulnerabilityEPSS 1.5%CVE-2018-0438—Cisco Umbrella Enterprise Roaming Client Privilege Escalation VulnerabilityEPSS 1.4%CVE-2019-1792MEDIUMCisco Umbrella Cross-Site Scripting VulnerabilityEPSS 1.2%CVE-2018-0435—Cisco Umbrella API Unauthorized Access VulnerabilityEPSS 1.1%CVE-2020-3337MEDIUMCisco Umbrella Open Redirect VulnerabilityEPSS 0.8%