Search for vulnerabilities
Vulnerability details: VCID-bgy8-u88m-aaak
Vulnerability ID VCID-bgy8-u88m-aaak
Aliases CVE-2021-26423
GHSA-rh58-r7jh-xhx3
Summary .NET Core and Visual Studio Denial of Service Vulnerability
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (3)
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
CWE-835 Loop with Unreachable Exit Condition ('Infinite Loop')
System Score Found at
rhas Important https://access.redhat.com/errata/RHSA-2021:3142
rhas Important https://access.redhat.com/errata/RHSA-2021:3143
rhas Important https://access.redhat.com/errata/RHSA-2021:3147
rhas Important https://access.redhat.com/errata/RHSA-2021:3148
cvssv3 7.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-26423.json
epss 0.00193 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.00193 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.00193 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.00193 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.00193 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.00193 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.00193 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.00193 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.00193 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.00193 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.00193 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.00193 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.00244 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.00244 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.00244 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.00244 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.01933 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.01933 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.01933 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.01933 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.01933 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.01933 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.01933 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.01933 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.01933 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.01933 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.01933 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.01933 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.01933 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.01933 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.02404 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.02404 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.02404 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.02404 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.02404 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.02404 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.02404 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.02404 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.02404 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.02404 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.02404 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.02404 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.02404 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.02404 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.02404 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.02404 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.02404 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.02404 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.02404 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.02404 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.02404 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.02404 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.02404 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.02404 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.02404 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.02404 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.02404 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.02404 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.02404 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.02404 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.02404 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.02404 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.02404 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.02404 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.02404 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.02404 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.02404 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.02404 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.02404 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.02404 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.02404 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.02404 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.02404 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.02404 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.02404 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.02404 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.02404 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.02404 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.02404 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.02404 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.02404 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.02404 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.02404 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.02404 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.02404 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
epss 0.02583 https://api.first.org/data/v1/epss?cve=CVE-2021-26423
rhbs high https://bugzilla.redhat.com/show_bug.cgi?id=1990295
cvssv3.1_qr HIGH https://github.com/advisories/GHSA-rh58-r7jh-xhx3
cvssv3.1 7.5 https://github.com/dotnet/announcements/issues/194
generic_textual HIGH https://github.com/dotnet/announcements/issues/194
cvssv3.1_qr HIGH https://github.com/dotnet/runtime/security/advisories/GHSA-rh58-r7jh-xhx3
cvssv2 5.0 https://nvd.nist.gov/vuln/detail/CVE-2021-26423
cvssv3 7.5 https://nvd.nist.gov/vuln/detail/CVE-2021-26423
cvssv3.1 7.5 https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26423
generic_textual HIGH https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26423
archlinux Medium https://security.archlinux.org/AVG-2277
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-26423.json
https://api.first.org/data/v1/epss?cve=CVE-2021-26423
https://github.com/dotnet/announcements/issues/194
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26423
1990295 https://bugzilla.redhat.com/show_bug.cgi?id=1990295
AVG-2277 https://security.archlinux.org/AVG-2277
cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_core:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:microsoft:.net_core:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:powershell_core:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:microsoft:powershell_core:*:*:*:*:*:*:*:*
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_2019:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:microsoft:visual_studio_2019:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:visual_studio_2019:8.10:*:*:*:*:macos:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:microsoft:visual_studio_2019:8.10:*:*:*:*:macos:*:*
CVE-2021-26423 https://nvd.nist.gov/vuln/detail/CVE-2021-26423
GHSA-rh58-r7jh-xhx3 https://github.com/advisories/GHSA-rh58-r7jh-xhx3
GHSA-rh58-r7jh-xhx3 https://github.com/dotnet/runtime/security/advisories/GHSA-rh58-r7jh-xhx3
RHSA-2021:3142 https://access.redhat.com/errata/RHSA-2021:3142
RHSA-2021:3143 https://access.redhat.com/errata/RHSA-2021:3143
RHSA-2021:3147 https://access.redhat.com/errata/RHSA-2021:3147
RHSA-2021:3148 https://access.redhat.com/errata/RHSA-2021:3148
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-26423.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:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://github.com/dotnet/announcements/issues/194
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:N/C:N/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2021-26423
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:N/UI:N/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2021-26423
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:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26423
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 0.57600
EPSS Score 0.00193
Published At Nov. 1, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.