Detections
Analytics
SCA: security update for io.undertow:undertow-core (GHSA-qjwc-v72v-fq6r)
medium Tenable Self-Hosted Container Security Plugin ID 418188
Description
There are packages installed that are affected by a vulnerability referenced in the following CVE:- 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. (CVE-2021-20220)
See Also
Plugin Details
Severity: Medium
ID: 418188
Version: Revision 1.5
Type: Local
Family: SCA Checks
Published: 1/23/2025
Updated: 7/2/2026
Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security
Risk Information
VPR
Risk Factor: Low
Score: 2.1
Percentile: 6.91
Vendor
Vendor Severity: Medium
CVSS v2
Risk Factor: Medium
Base Score: 5.8
Temporal Score: 4.3
Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:N
CVSS Score Source: CVE-2021-20220
CVSS v3
Risk Factor: Medium
Base Score: 4.8
Temporal Score: 4.2
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
Exploit Ease: No known exploits are available
Patch Publication Date: 6/16/2021
Vulnerability Publication Date: 2/23/2021
Reference Information
CVE: CVE-2021-20220
cwe: CWE-444