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Vulnerability details: VCID-4zan-3ccp-6bgf
Vulnerability ID VCID-4zan-3ccp-6bgf
Aliases CVE-2020-1757
GHSA-2w73-fqqj-c92p
Summary Improper Input Validation in Undertow A flaw was found in all undertow-2.x.x SP1 versions prior to undertow-2.0.30.SP1, all undertow-1.x.x and undertow-2.x.x versions prior to undertow-2.1.0.Final, where the Servlet container causes servletPath to normalize incorrectly by truncating the path after semicolon which may lead to an application mapping resulting in the security bypass.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (4)
CWE-20 Improper Input Validation
CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
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
cvssv3 8.1 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-1757.json
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2020-1757
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2020-1757
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2020-1757
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2020-1757
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2020-1757
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2020-1757
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2020-1757
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2020-1757
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2020-1757
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2020-1757
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2020-1757
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2020-1757
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2020-1757
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2020-1757
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2020-1757
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2020-1757
cvssv3.1 8.1 https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1757
generic_textual HIGH https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1757
cvssv3.1_qr HIGH https://github.com/advisories/GHSA-2w73-fqqj-c92p
cvssv2 5.5 https://nvd.nist.gov/vuln/detail/CVE-2020-1757
cvssv3.1 8.1 https://nvd.nist.gov/vuln/detail/CVE-2020-1757
cvssv3.1 8.1 https://nvd.nist.gov/vuln/detail/CVE-2020-1757
generic_textual HIGH https://nvd.nist.gov/vuln/detail/CVE-2020-1757
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-1757.json
https://api.first.org/data/v1/epss?cve=CVE-2020-1757
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1757
https://nvd.nist.gov/vuln/detail/CVE-2020-1757
1752770 https://bugzilla.redhat.com/show_bug.cgi?id=1752770
cpe:2.3:a:redhat:jboss_data_grid:7.0.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:redhat:jboss_data_grid:7.0.0:*:*:*:*:*:*:*
cpe:2.3:a:redhat:jboss_enterprise_application_platform:7.0.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:redhat:jboss_enterprise_application_platform:7.0.0:*:*:*:*:*:*:*
cpe:2.3:a:redhat:jboss_fuse:6.0.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:redhat:jboss_fuse:6.0.0:*:*:*:*:*:*:*
cpe:2.3:a:redhat:jboss_fuse:7.0.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:redhat:jboss_fuse:7.0.0:*:*:*:*:*:*:*
cpe:2.3:a:redhat:openshift_application_runtimes:-:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:redhat:openshift_application_runtimes:-:*:*:*:*:*:*:*
cpe:2.3:a:redhat:single_sign-on:7.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:redhat:single_sign-on:7.0:*:*:*:*:*:*:*
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:*:*:*:*:*:*:*:*
cpe:2.3:a:redhat:undertow:2.0.0:sp1:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:redhat:undertow:2.0.0:sp1:*:*:*:*:*:*
cpe:2.3:a:redhat:undertow:2.0.25:sp1:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:redhat:undertow:2.0.25:sp1:*:*:*:*:*:*
cpe:2.3:a:redhat:undertow:2.0.26:sp3:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:redhat:undertow:2.0.26:sp3:*:*:*:*:*:*
cpe:2.3:a:redhat:undertow:2.0.28:sp1:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:redhat:undertow:2.0.28:sp1:*:*:*:*:*:*
cpe:2.3:a:redhat:undertow:2.0.28:sp2:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:redhat:undertow:2.0.28:sp2:*:*:*:*:*:*
GHSA-2w73-fqqj-c92p https://github.com/advisories/GHSA-2w73-fqqj-c92p
RHSA-2020:2058 https://access.redhat.com/errata/RHSA-2020:2058
RHSA-2020:2059 https://access.redhat.com/errata/RHSA-2020:2059
RHSA-2020:2060 https://access.redhat.com/errata/RHSA-2020:2060
RHSA-2020:2061 https://access.redhat.com/errata/RHSA-2020:2061
RHSA-2020:2112 https://access.redhat.com/errata/RHSA-2020:2112
RHSA-2020:2511 https://access.redhat.com/errata/RHSA-2020:2511
RHSA-2020:2512 https://access.redhat.com/errata/RHSA-2020:2512
RHSA-2020:2513 https://access.redhat.com/errata/RHSA-2020:2513
RHSA-2020:2515 https://access.redhat.com/errata/RHSA-2020:2515
RHSA-2020:2905 https://access.redhat.com/errata/RHSA-2020:2905
RHSA-2020:3192 https://access.redhat.com/errata/RHSA-2020:3192
RHSA-2020:3779 https://access.redhat.com/errata/RHSA-2020:3779
RHSA-2024:5856 https://access.redhat.com/errata/RHSA-2024:5856
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-1757.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:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N Found at https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1757
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:L/Au:S/C:P/I:P/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2020-1757
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:L/PR:L/UI:N/S:U/C:H/I:H/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2020-1757
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:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2020-1757
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 0.36485
EPSS Score 0.0015
Published At June 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-01T12:28:55.358835+00:00 GithubOSV Importer Import https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-2w73-fqqj-c92p/GHSA-2w73-fqqj-c92p.json 36.1.3