GitHub Advisoryadvisory · Maven
GHSA-qjwc-v72v-fq6r HTTP request smuggling in Undertow
MEDIUM
Official page ↗
- Aliases
- CVE-2021-20220
- Ecosystem
- Maven
- Packages
- io.undertow:undertow-core
- Severity
- Moderate
- CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
- Weaknesses
- CWE-444
- Reviewed
- 2021-03-31
Affected packages
• Maven io.undertow:undertow-core: >= 2.1.0, < 2.1.6 → fixed in 2.1.6
• Maven io.undertow:undertow-core: < 2.0.34 → fixed in 2.0.34
Description
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.
Related
Alias · CVE (1)
- CVE-2021-20220 A flaw was found in Undertow. vulnerability
Weakness · CWE (1)
- CWE-444 Inconsistent Interpretation of HTTP Requests weakness