CVE-2021-20220
CVE-2021-20220
Vexday Risk Score
3Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS —EPSS 1.1%KEV nãoPoC —Patch —
Lifecycle
Feb 23, 2021Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
A flaw was found in Undertow. A regression in the fix for CVE-2020-10687 was found. HTTP request smuggling related to CVE-2017-2666 is possible against HTTP/1.x and HTTP/2 due to permitting invalid characters in an HTTP request. This flaw allows an attacker to poison a web-cache, perform an XSS attack, or obtain sensitive information from request other than their own. The highest threat from this vulnerability is to data confidentiality and integrity.
Affected products
n/a · undertowWant to know if your infrastructure is exposed to this?
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