Vulnerability · Published May 26, 2020 · Assigned by redhat
CVE-2020-10719
Medium 6.5
In plain English
A medium-severity security flaw in undertow from Red Hat. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 63% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)1.0%top 36.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
A flaw was found in Undertow in versions before 2.1.1.Final, regarding the processing of invalid HTTP requests with large chunk sizes. This flaw allows an attacker to take advantage of HTTP request smuggling.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:14 | undertow | 2.1.1-1 | DEBIAN-CVE-2020-10719 |
| Maven | io.undertow:undertow-core | 2.1.1.Final | GHSA-cccf-7xw3-p2vr |
| Ubuntu:25.10 | undertow | no fix listed | UBUNTU-CVE-2020-10719 |
| Ubuntu:26.04:LTS | undertow | no fix listed | UBUNTU-CVE-2020-10719 |
| Ubuntu:26.10 | undertow | no fix listed | UBUNTU-CVE-2020-10719 |
Affected products (as reported)
Weakness: CWE-444 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
References
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10719 x_refsource_CONFIRM
- https://security.netapp.com/advisory/ntap-20220210-0014/ x_refsource_CONFIRM