Staging Environment: Content and features may be unstable or change without notice.
Search for vulnerabilities
Vulnerability details: VCID-ee6h-kxjj-kuh1
Vulnerability ID VCID-ee6h-kxjj-kuh1
Aliases CVE-2018-12029
GHSA-jjcj-fgfm-9g9r
Summary passenger: CHMOD race condition in nginx_module/ngx_http_passenger_module.c allows for local privilege escalation
Status Published
Exploitability None
Weighted Severity None
Risk None
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
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 7.8 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-12029.json
epss 0.00099 https://api.first.org/data/v1/epss?cve=CVE-2018-12029
cvssv3.1 7.0 https://blog.phusion.nl/2018/06/12/passenger-5-3-2-various-security-fixes
generic_textual HIGH https://blog.phusion.nl/2018/06/12/passenger-5-3-2-various-security-fixes
cvssv3 7.0 https://blog.phusion.nl/2018/06/12/passenger-5-3-2-various-security-fixes/
cvssv3.1 7.0 https://blog.phusion.nl/passenger-5-3-2
generic_textual HIGH https://blog.phusion.nl/passenger-5-3-2
cvssv3 8.1 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1 7.0 https://github.com/rubysec/ruby-advisory-db/blob/master/gems/passenger/CVE-2018-12029.yml
generic_textual HIGH https://github.com/rubysec/ruby-advisory-db/blob/master/gems/passenger/CVE-2018-12029.yml
cvssv3.1 7.0 https://lists.debian.org/debian-lts-announce/2018/06/msg00007.html
generic_textual HIGH https://lists.debian.org/debian-lts-announce/2018/06/msg00007.html
cvssv3.1 7.0 https://nvd.nist.gov/vuln/detail/CVE-2018-12029
generic_textual HIGH https://nvd.nist.gov/vuln/detail/CVE-2018-12029
cvssv3.1 7.0 https://pulsesecurity.co.nz/advisories/phusion-passenger-priv-esc
generic_textual HIGH https://pulsesecurity.co.nz/advisories/phusion-passenger-priv-esc
cvssv3.1 7.0 https://security.gentoo.org/glsa/201807-02
generic_textual HIGH https://security.gentoo.org/glsa/201807-02
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-12029.json
https://api.first.org/data/v1/epss?cve=CVE-2018-12029
https://blog.phusion.nl/2018/06/12/passenger-5-3-2-various-security-fixes
https://blog.phusion.nl/2018/06/12/passenger-5-3-2-various-security-fixes/
https://blog.phusion.nl/passenger-5-3-2
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-12029
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://github.com/rubysec/ruby-advisory-db/blob/master/gems/passenger/CVE-2018-12029.yml
https://lists.debian.org/debian-lts-announce/2018/06/msg00007.html
https://nvd.nist.gov/vuln/detail/CVE-2018-12029
https://pulsesecurity.co.nz/advisories/phusion-passenger-priv-esc
https://security.gentoo.org/glsa/201807-02
1592612 https://bugzilla.redhat.com/show_bug.cgi?id=1592612
921767 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=921767
USN-USN-5261-1 https://usn.ubuntu.com/USN-5261-1/
No exploits are available.
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-12029.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:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H Found at https://blog.phusion.nl/2018/06/12/passenger-5-3-2-various-security-fixes
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:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H Found at https://blog.phusion.nl/passenger-5-3-2
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: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:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H Found at https://github.com/rubysec/ruby-advisory-db/blob/master/gems/passenger/CVE-2018-12029.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:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H Found at https://lists.debian.org/debian-lts-announce/2018/06/msg00007.html
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:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2018-12029
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:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H Found at https://pulsesecurity.co.nz/advisories/phusion-passenger-priv-esc
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:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H Found at https://security.gentoo.org/glsa/201807-02
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 0.27241
EPSS Score 0.00099
Published At May 29, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-05-29T09:39:02.559304+00:00 RedHat Importer Import https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-12029.json 38.6.0