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Vulnerability details: VCID-vnyk-n5a8-7qbj
Vulnerability ID VCID-vnyk-n5a8-7qbj
Aliases CVE-2021-39172
GHSA-9jxw-cfrh-jxq6
Summary
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (4)
CWE-93 Improper Neutralization of CRLF Sequences ('CRLF Injection')
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
epss 0.52026 https://api.first.org/data/v1/epss?cve=CVE-2021-39172
epss 0.52026 https://api.first.org/data/v1/epss?cve=CVE-2021-39172
epss 0.52026 https://api.first.org/data/v1/epss?cve=CVE-2021-39172
cvssv3.1 8.8 https://blog.sonarsource.com/cachet-code-execution-via-laravel-configuration-injection
generic_textual HIGH https://blog.sonarsource.com/cachet-code-execution-via-laravel-configuration-injection
cvssv3.1_qr HIGH https://github.com/advisories/GHSA-9jxw-cfrh-jxq6
cvssv3.1 8.8 https://github.com/fiveai/Cachet
generic_textual HIGH https://github.com/fiveai/Cachet
cvssv3.1 8.8 https://github.com/fiveai/Cachet/commit/6442976c25930cb370c65a22784b9caee7ed1de2
generic_textual HIGH https://github.com/fiveai/Cachet/commit/6442976c25930cb370c65a22784b9caee7ed1de2
cvssv3.1 8.8 https://github.com/fiveai/Cachet/releases/tag/v2.5.1
generic_textual HIGH https://github.com/fiveai/Cachet/releases/tag/v2.5.1
cvssv3.1 8.8 https://github.com/fiveai/Cachet/security/advisories/GHSA-9jxw-cfrh-jxq6
cvssv3.1_qr HIGH https://github.com/fiveai/Cachet/security/advisories/GHSA-9jxw-cfrh-jxq6
generic_textual HIGH https://github.com/fiveai/Cachet/security/advisories/GHSA-9jxw-cfrh-jxq6
cvssv3.1 8.8 https://nvd.nist.gov/vuln/detail/CVE-2021-39172
generic_textual HIGH https://nvd.nist.gov/vuln/detail/CVE-2021-39172
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2021-39172
https://blog.sonarsource.com/cachet-code-execution-via-laravel-configuration-injection
https://blog.sonarsource.com/cachet-code-execution-via-laravel-configuration-injection/
https://github.com/fiveai/Cachet
https://github.com/fiveai/Cachet/commit/6442976c25930cb370c65a22784b9caee7ed1de2
https://github.com/fiveai/Cachet/releases/tag/v2.5.1
https://github.com/fiveai/Cachet/security/advisories/GHSA-9jxw-cfrh-jxq6
https://nvd.nist.gov/vuln/detail/CVE-2021-39172
GHSA-9jxw-cfrh-jxq6 https://github.com/advisories/GHSA-9jxw-cfrh-jxq6
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Found at https://blog.sonarsource.com/cachet-code-execution-via-laravel-configuration-injection
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:L/UI:N/S:U/C:H/I:H/A:H Found at https://github.com/fiveai/Cachet
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:L/UI:N/S:U/C:H/I:H/A:H Found at https://github.com/fiveai/Cachet/commit/6442976c25930cb370c65a22784b9caee7ed1de2
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:L/UI:N/S:U/C:H/I:H/A:H Found at https://github.com/fiveai/Cachet/releases/tag/v2.5.1
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:L/UI:N/S:U/C:H/I:H/A:H Found at https://github.com/fiveai/Cachet/security/advisories/GHSA-9jxw-cfrh-jxq6
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:L/UI:N/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2021-39172
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 0.97973
EPSS Score 0.52026
Published At June 11, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-12T02:02:15.658208+00:00 EPSS Importer Import https://epss.cyentia.com/epss_scores-current.csv.gz 38.6.0