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Vulnerability details: VCID-u236-buqn-cuhe
Vulnerability ID VCID-u236-buqn-cuhe
Aliases CVE-2021-23368
GHSA-hwj9-h5mp-3pm3
Summary
Status Published
Exploitability None
Weighted Severity None
Risk None
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-400 Uncontrolled Resource Consumption
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
epss 0.00232 https://api.first.org/data/v1/epss?cve=CVE-2021-23368
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-hwj9-h5mp-3pm3
cvssv3.1 5.3 https://github.com/postcss/postcss/commit/54cbf3c4847eb0fb1501b9d2337465439e849734
generic_textual MODERATE https://github.com/postcss/postcss/commit/54cbf3c4847eb0fb1501b9d2337465439e849734
cvssv3.1 5.3 https://github.com/postcss/postcss/commit/8682b1e4e328432ba692bed52326e84439cec9e4
generic_textual MODERATE https://github.com/postcss/postcss/commit/8682b1e4e328432ba692bed52326e84439cec9e4
cvssv3.1 5.3 https://github.com/postcss/postcss/commit/b6f3e4d5a8d7504d553267f80384373af3a3dec5
generic_textual MODERATE https://github.com/postcss/postcss/commit/b6f3e4d5a8d7504d553267f80384373af3a3dec5
cvssv3.1 5.3 https://lists.apache.org/thread.html/r00158f5d770d75d0655c5eef1bdbc6150531606c8f8bcb778f0627be@%3Cdev.myfaces.apache.org%3E
generic_textual MODERATE https://lists.apache.org/thread.html/r00158f5d770d75d0655c5eef1bdbc6150531606c8f8bcb778f0627be@%3Cdev.myfaces.apache.org%3E
cvssv3.1 5.3 https://lists.apache.org/thread.html/r16e295b4f02d81b79981237d602cb0b9e59709bafaa73ac98be7cef1@%3Cdev.myfaces.apache.org%3E
generic_textual MODERATE https://lists.apache.org/thread.html/r16e295b4f02d81b79981237d602cb0b9e59709bafaa73ac98be7cef1@%3Cdev.myfaces.apache.org%3E
cvssv3.1 5.3 https://lists.apache.org/thread.html/r49afb49b38748897211b1f89c3a64dc27f9049474322b05715695aab@%3Cdev.myfaces.apache.org%3E
generic_textual MODERATE https://lists.apache.org/thread.html/r49afb49b38748897211b1f89c3a64dc27f9049474322b05715695aab@%3Cdev.myfaces.apache.org%3E
cvssv3.1 5.3 https://lists.apache.org/thread.html/r5acd89f3827ad9a9cad6d24ed93e377f7114867cd98cfba616c6e013@%3Ccommits.myfaces.apache.org%3E
generic_textual MODERATE https://lists.apache.org/thread.html/r5acd89f3827ad9a9cad6d24ed93e377f7114867cd98cfba616c6e013@%3Ccommits.myfaces.apache.org%3E
cvssv3.1 5.3 https://lists.apache.org/thread.html/r8def971a66cf3e375178fbee752e1b04a812a047cc478ad292007e33@%3Cdev.myfaces.apache.org%3E
generic_textual MODERATE https://lists.apache.org/thread.html/r8def971a66cf3e375178fbee752e1b04a812a047cc478ad292007e33@%3Cdev.myfaces.apache.org%3E
cvssv3.1 5.3 https://lists.apache.org/thread.html/rad5af2044afb51668b1008b389ac815a28ecea9eb75ae2cab5a00ebb@%3Ccommits.myfaces.apache.org%3E
generic_textual MODERATE https://lists.apache.org/thread.html/rad5af2044afb51668b1008b389ac815a28ecea9eb75ae2cab5a00ebb@%3Ccommits.myfaces.apache.org%3E
cvssv3.1 5.3 https://nvd.nist.gov/vuln/detail/CVE-2021-23368
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2021-23368
cvssv3.1 5.3 https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1244795
generic_textual MODERATE https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1244795
cvssv3.1 5.3 https://snyk.io/vuln/SNYK-JS-POSTCSS-1090595
generic_textual MODERATE https://snyk.io/vuln/SNYK-JS-POSTCSS-1090595
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2021-23368
https://github.com/postcss/postcss/commit/54cbf3c4847eb0fb1501b9d2337465439e849734
https://github.com/postcss/postcss/commit/8682b1e4e328432ba692bed52326e84439cec9e4
https://github.com/postcss/postcss/commit/b6f3e4d5a8d7504d553267f80384373af3a3dec5
https://lists.apache.org/thread.html/r00158f5d770d75d0655c5eef1bdbc6150531606c8f8bcb778f0627be@%3Cdev.myfaces.apache.org%3E
https://lists.apache.org/thread.html/r16e295b4f02d81b79981237d602cb0b9e59709bafaa73ac98be7cef1@%3Cdev.myfaces.apache.org%3E
https://lists.apache.org/thread.html/r49afb49b38748897211b1f89c3a64dc27f9049474322b05715695aab@%3Cdev.myfaces.apache.org%3E
https://lists.apache.org/thread.html/r5acd89f3827ad9a9cad6d24ed93e377f7114867cd98cfba616c6e013@%3Ccommits.myfaces.apache.org%3E
https://lists.apache.org/thread.html/r8def971a66cf3e375178fbee752e1b04a812a047cc478ad292007e33@%3Cdev.myfaces.apache.org%3E
https://lists.apache.org/thread.html/rad5af2044afb51668b1008b389ac815a28ecea9eb75ae2cab5a00ebb@%3Ccommits.myfaces.apache.org%3E
https://nvd.nist.gov/vuln/detail/CVE-2021-23368
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1244795
https://snyk.io/vuln/SNYK-JS-POSTCSS-1090595
GHSA-hwj9-h5mp-3pm3 https://github.com/advisories/GHSA-hwj9-h5mp-3pm3
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L Found at https://github.com/postcss/postcss/commit/54cbf3c4847eb0fb1501b9d2337465439e849734
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

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unchanged

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L Found at https://github.com/postcss/postcss/commit/8682b1e4e328432ba692bed52326e84439cec9e4
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

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none

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unchanged

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L Found at https://github.com/postcss/postcss/commit/b6f3e4d5a8d7504d553267f80384373af3a3dec5
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

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required

unchanged

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L Found at https://lists.apache.org/thread.html/r00158f5d770d75d0655c5eef1bdbc6150531606c8f8bcb778f0627be@%3Cdev.myfaces.apache.org%3E
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

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required

unchanged

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L Found at https://lists.apache.org/thread.html/r16e295b4f02d81b79981237d602cb0b9e59709bafaa73ac98be7cef1@%3Cdev.myfaces.apache.org%3E
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

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low

none

high

low

none

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none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L Found at https://lists.apache.org/thread.html/r49afb49b38748897211b1f89c3a64dc27f9049474322b05715695aab@%3Cdev.myfaces.apache.org%3E
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

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low

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L Found at https://lists.apache.org/thread.html/r5acd89f3827ad9a9cad6d24ed93e377f7114867cd98cfba616c6e013@%3Ccommits.myfaces.apache.org%3E
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

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low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L Found at https://lists.apache.org/thread.html/r8def971a66cf3e375178fbee752e1b04a812a047cc478ad292007e33@%3Cdev.myfaces.apache.org%3E
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:L Found at https://lists.apache.org/thread.html/rad5af2044afb51668b1008b389ac815a28ecea9eb75ae2cab5a00ebb@%3Ccommits.myfaces.apache.org%3E
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:L Found at https://nvd.nist.gov/vuln/detail/CVE-2021-23368
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:L Found at https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1244795
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:L Found at https://snyk.io/vuln/SNYK-JS-POSTCSS-1090595
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

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none
Exploit Prediction Scoring System (EPSS)
Percentile 0.46133
EPSS Score 0.00232
Published At May 30, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-05-30T22:08:04.418225+00:00 EPSS Importer Import https://epss.cyentia.com/epss_scores-current.csv.gz 38.6.0