CVE-2020-3246 is a CRLF injection vulnerability in the web server of Cisco Umbrella. This flaw, caused by insufficient input validation, allows an unauthenticated, remote attacker to inject arbitrary HTTP headers into a user's browser by persuading them to click a crafted URL. Rated 4.3 MEDIUM, the attack requires user interaction and has a low impact on integrity with no confidentiality or availability impact. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
All Versions ImpactedCPE matchmatch criteria | cpe:2.3:a:cisco:umbrella:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N
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