undertow

CVE-2021-20220
MEDIUM 4.8

At a glance

Source
NVD
EPSS
EPSS 1.20 % Β· percentile 68 ()
State
PUBLISHED
Published
Updated
Assigner
redhat
NVD status
Modified

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.

Weaknesses (CWE)

  • CWE-444 β€” Inconsistent Interpretation of HTTP Requests

References

Scores

VersionScoreVectorScored by
CVSS 3.1MEDIUM 4.8CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:NNVD Β· nvd@nist.gov (Primary)
CVSS 2.0MEDIUM 5.8AV:N/AC:M/Au:N/C:P/I:P/A:NNVD Β· nvd@nist.gov (Primary)

Advisories

European references

Affected configurations (NVD CPE)

Affected products

ProductVersions
undertowaffected Undertow 2.2.0.Final, Undertow 2.1.6.Final, Undertow 2.0.34.Final

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST β€” attribution requested
ENISA EUVDENISA β€” reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain β€” this product uses data from the NVD API but is not endorsed or certified by the NVD