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Vulnerability details: VCID-udc4-7jnt-y3fu
Vulnerability ID VCID-udc4-7jnt-y3fu
Aliases CVE-2022-30123
GHSA-wq4h-7r42-5hrr
GMS-2022-1644
Summary Multiple vulnerabilities have been discovered in Rack, the worst of which can lead to sequence injection in logging compontents.
Status Published
Exploitability 0.5
Weighted Severity 9.0
Risk 4.5
Affected and Fixed Packages Package Details
Weaknesses (5)
CWE-150 Improper Neutralization of Escape, Meta, or Control Sequences
CWE-179 Incorrect Behavior Order: Early Validation
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
cvssv3 10.0 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-30123.json
epss 0.02072 https://api.first.org/data/v1/epss?cve=CVE-2022-30123
epss 0.02072 https://api.first.org/data/v1/epss?cve=CVE-2022-30123
epss 0.02072 https://api.first.org/data/v1/epss?cve=CVE-2022-30123
epss 0.02072 https://api.first.org/data/v1/epss?cve=CVE-2022-30123
epss 0.02072 https://api.first.org/data/v1/epss?cve=CVE-2022-30123
epss 0.02072 https://api.first.org/data/v1/epss?cve=CVE-2022-30123
epss 0.02128 https://api.first.org/data/v1/epss?cve=CVE-2022-30123
epss 0.02128 https://api.first.org/data/v1/epss?cve=CVE-2022-30123
cvssv3.1 10.0 https://discuss.rubyonrails.org/t/cve-2022-30123-possible-shell-escape-sequence-injection-vulnerability-in-rack/80728
generic_textual CRITICAL https://discuss.rubyonrails.org/t/cve-2022-30123-possible-shell-escape-sequence-injection-vulnerability-in-rack/80728
cvssv3.1 9.8 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1_qr CRITICAL https://github.com/advisories/GHSA-wq4h-7r42-5hrr
cvssv3.1 10.0 https://github.com/rack/rack
generic_textual CRITICAL https://github.com/rack/rack
cvssv3.1 10.0 https://github.com/rack/rack/commit/b426cc224908ec6ed6eb8729325392b048215d88
generic_textual CRITICAL https://github.com/rack/rack/commit/b426cc224908ec6ed6eb8729325392b048215d88
cvssv3.1 10.0 https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rack/CVE-2022-30123.yml
generic_textual CRITICAL https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rack/CVE-2022-30123.yml
cvssv3 10.0 https://groups.google.com/g/ruby-security-ann/c/LWB10kWzag8
cvssv3.1 10.0 https://groups.google.com/g/ruby-security-ann/c/LWB10kWzag8
generic_textual CRITICAL https://groups.google.com/g/ruby-security-ann/c/LWB10kWzag8
cvssv3.1 10.0 https://nvd.nist.gov/vuln/detail/CVE-2022-30123
generic_textual CRITICAL https://nvd.nist.gov/vuln/detail/CVE-2022-30123
cvssv3.1 10.0 https://security.gentoo.org/glsa/202310-18
generic_textual CRITICAL https://security.gentoo.org/glsa/202310-18
cvssv3.1 10.0 https://security.netapp.com/advisory/ntap-20231208-0011
generic_textual CRITICAL https://security.netapp.com/advisory/ntap-20231208-0011
cvssv3.1 10.0 https://www.debian.org/security/2023/dsa-5530
generic_textual CRITICAL https://www.debian.org/security/2023/dsa-5530
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-30123.json
https://api.first.org/data/v1/epss?cve=CVE-2022-30123
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-30122
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-30123
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-44570
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-44571
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-44572
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-27530
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-27539
https://discuss.rubyonrails.org/t/cve-2022-30123-possible-shell-escape-sequence-injection-vulnerability-in-rack/80728
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://github.com/rack/rack
https://github.com/rack/rack/commit/b426cc224908ec6ed6eb8729325392b048215d88
https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rack/CVE-2022-30123.yml
https://groups.google.com/g/ruby-security-ann/c/LWB10kWzag8
https://nvd.nist.gov/vuln/detail/CVE-2022-30123
https://security.netapp.com/advisory/ntap-20231208-0011
https://security.netapp.com/advisory/ntap-20231208-0011/
https://www.debian.org/security/2023/dsa-5530
2099524 https://bugzilla.redhat.com/show_bug.cgi?id=2099524
GHSA-wq4h-7r42-5hrr https://github.com/advisories/GHSA-wq4h-7r42-5hrr
GLSA-202310-18 https://security.gentoo.org/glsa/202310-18
RHSA-2022:7343 https://access.redhat.com/errata/RHSA-2022:7343
RHSA-2023:0632 https://access.redhat.com/errata/RHSA-2023:0632
RHSA-2023:1486 https://access.redhat.com/errata/RHSA-2023:1486
USN-5896-1 https://usn.ubuntu.com/5896-1/
USN-7036-1 https://usn.ubuntu.com/7036-1/
USN-USN-5253-1 https://usn.ubuntu.com/USN-5253-1/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-30123.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:C/C:H/I:H/A:H Found at https://discuss.rubyonrails.org/t/cve-2022-30123-possible-shell-escape-sequence-injection-vulnerability-in-rack/80728
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:H/I:H/A:H Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
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:C/C:H/I:H/A:H Found at https://github.com/rack/rack
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:C/C:H/I:H/A:H Found at https://github.com/rack/rack/commit/b426cc224908ec6ed6eb8729325392b048215d88
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:C/C:H/I:H/A:H Found at https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rack/CVE-2022-30123.yml
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:C/C:H/I:H/A:H Found at https://groups.google.com/g/ruby-security-ann/c/LWB10kWzag8
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:C/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2022-30123
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:C/C:H/I:H/A:H Found at https://security.gentoo.org/glsa/202310-18
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:C/C:H/I:H/A:H Found at https://security.netapp.com/advisory/ntap-20231208-0011
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:C/C:H/I:H/A:H Found at https://www.debian.org/security/2023/dsa-5530
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 0.83914
EPSS Score 0.02072
Published At April 7, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T13:02:50.269859+00:00 Gentoo Importer Import https://security.gentoo.org/glsa/202310-18 38.0.0