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Vulnerability details: VCID-zgvq-d1zk-cuby
Vulnerability ID VCID-zgvq-d1zk-cuby
Aliases CVE-2019-0657
GHSA-x5qj-9vmx-7g6g
Summary Microsoft Security Advisory CVE-2019-0657: .NET Core Domain Spoofing Vulnerability
Status Published
Exploitability 0.5
Weighted Severity 6.8
Risk 3.4
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-20 Improper Input Validation
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
cvssv3.1 5.9 https://access.redhat.com/errata/RHSA-2019:0349
generic_textual MODERATE https://access.redhat.com/errata/RHSA-2019:0349
cvssv3 7.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-0657.json
epss 0.05691 https://api.first.org/data/v1/epss?cve=CVE-2019-0657
epss 0.05691 https://api.first.org/data/v1/epss?cve=CVE-2019-0657
epss 0.05691 https://api.first.org/data/v1/epss?cve=CVE-2019-0657
epss 0.05691 https://api.first.org/data/v1/epss?cve=CVE-2019-0657
epss 0.05691 https://api.first.org/data/v1/epss?cve=CVE-2019-0657
epss 0.05691 https://api.first.org/data/v1/epss?cve=CVE-2019-0657
epss 0.05691 https://api.first.org/data/v1/epss?cve=CVE-2019-0657
epss 0.05691 https://api.first.org/data/v1/epss?cve=CVE-2019-0657
epss 0.05691 https://api.first.org/data/v1/epss?cve=CVE-2019-0657
epss 0.05691 https://api.first.org/data/v1/epss?cve=CVE-2019-0657
epss 0.05691 https://api.first.org/data/v1/epss?cve=CVE-2019-0657
epss 0.05691 https://api.first.org/data/v1/epss?cve=CVE-2019-0657
epss 0.05691 https://api.first.org/data/v1/epss?cve=CVE-2019-0657
epss 0.05691 https://api.first.org/data/v1/epss?cve=CVE-2019-0657
epss 0.05691 https://api.first.org/data/v1/epss?cve=CVE-2019-0657
epss 0.05691 https://api.first.org/data/v1/epss?cve=CVE-2019-0657
epss 0.05691 https://api.first.org/data/v1/epss?cve=CVE-2019-0657
epss 0.05691 https://api.first.org/data/v1/epss?cve=CVE-2019-0657
epss 0.05691 https://api.first.org/data/v1/epss?cve=CVE-2019-0657
epss 0.05691 https://api.first.org/data/v1/epss?cve=CVE-2019-0657
epss 0.05691 https://api.first.org/data/v1/epss?cve=CVE-2019-0657
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-x5qj-9vmx-7g6g
cvssv3.1 5.9 https://github.com/dotnet/announcements/issues/97
generic_textual MODERATE https://github.com/dotnet/announcements/issues/97
cvssv3.1 5.9 https://github.com/github/advisory-database/issues/302
generic_textual MODERATE https://github.com/github/advisory-database/issues/302
cvssv2 4.3 https://nvd.nist.gov/vuln/detail/CVE-2019-0657
cvssv3 5.9 https://nvd.nist.gov/vuln/detail/CVE-2019-0657
cvssv3.1 5.9 https://nvd.nist.gov/vuln/detail/CVE-2019-0657
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2019-0657
cvssv3.1 5.9 https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0657
generic_textual MODERATE https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0657
cvssv3.1 5.9 http://www.securityfocus.com/bid/106890
generic_textual MODERATE http://www.securityfocus.com/bid/106890
Reference id Reference type URL
https://access.redhat.com/errata/RHSA-2019:0349
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-0657.json
https://api.first.org/data/v1/epss?cve=CVE-2019-0657
https://github.com/dotnet/announcements/issues/97
https://github.com/github/advisory-database/issues/302
https://nvd.nist.gov/vuln/detail/CVE-2019-0657
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0657
http://www.securityfocus.com/bid/106890
1673891 https://bugzilla.redhat.com/show_bug.cgi?id=1673891
cpe:2.3:a:microsoft:.net_core:1.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:microsoft:.net_core:1.0:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_core:2.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:microsoft:.net_core:2.1:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_core:2.2:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:microsoft:.net_core:2.2:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:powershell_core:6.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:microsoft:powershell_core:6.0:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:powershell_core:6.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:microsoft:powershell_core:6.1:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:visual_studio_2017:-:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:microsoft:visual_studio_2017:-:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:visual_studio_2017:15.9:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:microsoft:visual_studio_2017:15.9:*:*:*:*:*:*:*
GHSA-x5qj-9vmx-7g6g https://github.com/advisories/GHSA-x5qj-9vmx-7g6g
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N Found at https://access.redhat.com/errata/RHSA-2019:0349
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:N/UI:N/S:U/C:N/I:H/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-0657.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:H/PR:N/UI:N/S:U/C:N/I:H/A:N Found at https://github.com/dotnet/announcements/issues/97
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:H/PR:N/UI:N/S:U/C:N/I:H/A:N Found at https://github.com/github/advisory-database/issues/302
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:N/I:P/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2019-0657
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:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2019-0657
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:H/PR:N/UI:N/S:U/C:N/I:H/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2019-0657
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:H/PR:N/UI:N/S:U/C:N/I:H/A:N Found at https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0657
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:H/PR:N/UI:N/S:U/C:N/I:H/A:N Found at http://www.securityfocus.com/bid/106890
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 0.9004
EPSS Score 0.05691
Published At Aug. 8, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:11:03.021418+00:00 RetireDotNet Importer Import https://github.com/RetireNet/Packages/blob/master/Content/13.json 37.0.0