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Vulnerability details: VCID-pxqf-nvea-aaar
Vulnerability ID VCID-pxqf-nvea-aaar
Aliases CVE-2021-20220
GHSA-qjwc-v72v-fq6r
Summary HTTP request smuggling in Undertow
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-444 Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
rhas Moderate https://access.redhat.com/errata/RHSA-2021:0872
rhas Moderate https://access.redhat.com/errata/RHSA-2021:0873
rhas Moderate https://access.redhat.com/errata/RHSA-2021:0874
rhas Moderate https://access.redhat.com/errata/RHSA-2021:0885
rhas Moderate https://access.redhat.com/errata/RHSA-2021:0974
rhas Moderate https://access.redhat.com/errata/RHSA-2021:2210
rhas Moderate https://access.redhat.com/errata/RHSA-2021:2755
cvssv3 4.8 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-20220.json
epss 0.00071 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.00071 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.00071 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.00071 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.00090 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.00090 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.00090 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.00090 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.00090 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.00090 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.00090 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.00090 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.00090 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.00090 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.00090 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.00090 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.00536 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.00536 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.00536 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.00536 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.00536 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.00536 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.00536 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
epss 0.04339 https://api.first.org/data/v1/epss?cve=CVE-2021-20220
rhbs medium https://bugzilla.redhat.com/show_bug.cgi?id=1923133
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-qjwc-v72v-fq6r
cvssv3.1 4.8 https://github.com/undertow-io/undertow/commit/9e797b2f99617fdad0471eaa88c711ee7f44605f
generic_textual MODERATE https://github.com/undertow-io/undertow/commit/9e797b2f99617fdad0471eaa88c711ee7f44605f
cvssv2 5.8 https://nvd.nist.gov/vuln/detail/CVE-2021-20220
cvssv3 4.8 https://nvd.nist.gov/vuln/detail/CVE-2021-20220
cvssv3.1 4.8 https://nvd.nist.gov/vuln/detail/CVE-2021-20220
cvssv3.1 4.8 https://security.netapp.com/advisory/ntap-20220210-0013
generic_textual MODERATE https://security.netapp.com/advisory/ntap-20220210-0013
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-20220.json
https://api.first.org/data/v1/epss?cve=CVE-2021-20220
https://github.com/undertow-io/undertow/commit/9e797b2f99617fdad0471eaa88c711ee7f44605f
https://security.netapp.com/advisory/ntap-20220210-0013
https://security.netapp.com/advisory/ntap-20220210-0013/
1923133 https://bugzilla.redhat.com/show_bug.cgi?id=1923133
cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:linux:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:linux:*:*
cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:*
cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:windows:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:windows:*:*
cpe:2.3:a:netapp:oncommand_workflow_automation:-:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:netapp:oncommand_workflow_automation:-:*:*:*:*:*:*:*
cpe:2.3:a:redhat:undertow:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:redhat:undertow:*:*:*:*:*:*:*:*
CVE-2021-20220 https://nvd.nist.gov/vuln/detail/CVE-2021-20220
GHSA-qjwc-v72v-fq6r https://github.com/advisories/GHSA-qjwc-v72v-fq6r
RHSA-2021:0872 https://access.redhat.com/errata/RHSA-2021:0872
RHSA-2021:0873 https://access.redhat.com/errata/RHSA-2021:0873
RHSA-2021:0874 https://access.redhat.com/errata/RHSA-2021:0874
RHSA-2021:0885 https://access.redhat.com/errata/RHSA-2021:0885
RHSA-2021:0974 https://access.redhat.com/errata/RHSA-2021:0974
RHSA-2021:2210 https://access.redhat.com/errata/RHSA-2021:2210
RHSA-2021:2755 https://access.redhat.com/errata/RHSA-2021:2755
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-20220.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N Found at https://github.com/undertow-io/undertow/commit/9e797b2f99617fdad0471eaa88c711ee7f44605f
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2021-20220
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2021-20220
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2021-20220
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N Found at https://security.netapp.com/advisory/ntap-20220210-0013
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.33011
EPSS Score 0.00071
Published At Dec. 17, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.