CVE-2021-20220

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.

References

Affected packages

Git / github.com/undertow-io/undertow

Affected ranges

Type

GIT

Repo

https://github.com/undertow-io/undertow

Events

Introduced

Fixed

ff072c6feeb9315d6fd743345890d6de2a2e5423

Introduced

2291c7c07dc5bccf3b45c4db3a1b63123b8ce484

Fixed

152200bce7942e6747d79b4658c56c0ab15ac472

Database specific

{
    "source": "CPE_FIELD",
    "cpe": "cpe:2.3:a:redhat:undertow:*:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "2.0.34"
        },
        {
            "introduced": "2.1.0"
        },
        {
            "fixed": "2.1.6"
        }
    ]
}

Affected versions

1.*

1.0.0.Alpha1

1.0.0.Alpha10

1.0.0.Alpha11

1.0.0.Alpha12

1.0.0.Alpha13

1.0.0.Alpha14

1.0.0.Alpha15

1.0.0.Alpha16

1.0.0.Alpha17

1.0.0.Alpha18

1.0.0.Alpha19

1.0.0.Alpha2

1.0.0.Alpha20

1.0.0.Alpha21

1.0.0.Alpha22

1.0.0.Alpha3

1.0.0.Alpha4

1.0.0.Alpha5

1.0.0.Alpha6

1.0.0.Alpha7

1.0.0.Alpha8

1.0.0.Alpha9

1.0.0.Beta1

1.0.0.Beta10

1.0.0.Beta11

1.0.0.Beta12

1.0.0.Beta13

1.0.0.Beta14

1.0.0.Beta15

1.0.0.Beta16

1.0.0.Beta17

1.0.0.Beta18

1.0.0.Beta19

1.0.0.Beta2

1.0.0.Beta20

1.0.0.Beta21

1.0.0.Beta22

1.0.0.Beta23

1.0.0.Beta24

1.0.0.Beta25

1.0.0.Beta26

1.0.0.Beta27

1.0.0.Beta28

1.0.0.Beta29

1.0.0.Beta3

1.0.0.Beta30

1.0.0.Beta31

1.0.0.Beta32

1.0.0.Beta33

1.0.0.Beta4

1.0.0.Beta5

1.0.0.Beta6

1.0.0.Beta7

1.0.0.Beta8

1.0.0.Beta9

1.0.0.CR1

1.0.0.CR2

1.0.0.CR3

1.0.0.CR4

1.0.0.Final

1.0.1.Final

1.0.2.Final

1.0.3.Final

1.1.0.Beta1

1.1.0.Beta2

1.1.0.Beta3

1.1.0.Beta4

1.1.0.Beta5

1.1.0.Beta6

1.1.0.Beta7

1.1.0.Beta8

1.2.0.Beta1

1.2.0.Beta10

1.2.0.Beta2

1.2.0.Beta3

1.2.0.Beta4

1.2.0.Beta5

1.2.0.Beta6

1.2.0.Beta7

1.2.0.Beta8

1.2.0.Beta9

1.2.0.CR1

1.2.0.Final

1.2.1.Final

1.2.2.Final

1.2.3.Final

1.2.4.Final

1.3.0.Beta1

1.3.0.Beta10

1.3.0.Beta11

1.3.0.Beta12

1.3.0.Beta13

1.3.0.Beta2

1.3.0.Beta3

1.3.0.Beta4

1.3.0.Beta5

1.3.0.Beta6

1.3.0.Beta7

1.3.0.Beta8

1.3.0.Beta9

1.3.0.CR1

1.3.0.CR2

1.3.0.CR3

1.3.0.Final

1.3.1.Final

1.3.2.Final

1.3.3.Final

2.*

2.0.0.Alpha1

2.0.0.Beta1

2.0.0.Final

2.0.1.Final

2.0.10.Final

2.0.11.Final

2.0.12.Final

2.0.13.Final

2.0.14.Final

2.0.15.Final

2.0.16.Final

2.0.17.Final

2.0.2.Final

2.0.20.Final

2.0.21.Final

2.0.22.Final

2.0.23.Final

2.0.24.Final

2.0.25.Final

2.0.26.Final

2.0.27.Final

2.0.28.Final

2.0.29.Final

2.0.3.Final

2.0.30.Final

2.0.31.Final

2.0.32.Final

2.0.33.Final

2.0.4.Final

2.0.5.Final

2.0.6.Final

2.0.7.Final

2.0.8.Final

2.0.9.Final

2.1.0.Final

2.1.1.Final

2.1.2.Final

2.1.3.Final

2.1.4.Final

2.1.5.Final

Database specific

source

"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-20220.json"