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Vulnerability details: VCID-d13k-gc2w-7yc1
Vulnerability ID VCID-d13k-gc2w-7yc1
Aliases CVE-2023-36475
GHSA-462x-c3jw-7vr6
Summary Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 5.5.2 and 6.2.1, an attacker can use a prototype pollution sink to trigger a remote code execution through the MongoDB BSON parser. A patch is available in versions 5.5.2 and 6.2.1.
Status Published
Exploitability 0.5
Weighted Severity 9.0
Risk 4.5
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-1321 Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
epss 0.09829 https://api.first.org/data/v1/epss?cve=CVE-2023-36475
epss 0.09829 https://api.first.org/data/v1/epss?cve=CVE-2023-36475
epss 0.09829 https://api.first.org/data/v1/epss?cve=CVE-2023-36475
epss 0.09829 https://api.first.org/data/v1/epss?cve=CVE-2023-36475
cvssv3.1_qr CRITICAL https://github.com/advisories/GHSA-462x-c3jw-7vr6
cvssv3.1 9.8 https://github.com/parse-community/parse-server
generic_textual CRITICAL https://github.com/parse-community/parse-server
cvssv3.1 9.8 https://github.com/parse-community/parse-server/commit/3dd99dd80e27e5e1d99b42844180546d90c7aa90
generic_textual CRITICAL https://github.com/parse-community/parse-server/commit/3dd99dd80e27e5e1d99b42844180546d90c7aa90
ssvc Track https://github.com/parse-community/parse-server/commit/3dd99dd80e27e5e1d99b42844180546d90c7aa90
cvssv3.1 9.8 https://github.com/parse-community/parse-server/commit/5fad2928fb8ee17304abcdcf259932f827d8c81f
generic_textual CRITICAL https://github.com/parse-community/parse-server/commit/5fad2928fb8ee17304abcdcf259932f827d8c81f
ssvc Track https://github.com/parse-community/parse-server/commit/5fad2928fb8ee17304abcdcf259932f827d8c81f
cvssv3.1 9.8 https://github.com/parse-community/parse-server/issues/8674
generic_textual CRITICAL https://github.com/parse-community/parse-server/issues/8674
ssvc Track https://github.com/parse-community/parse-server/issues/8674
cvssv3.1 9.8 https://github.com/parse-community/parse-server/issues/8675
generic_textual CRITICAL https://github.com/parse-community/parse-server/issues/8675
ssvc Track https://github.com/parse-community/parse-server/issues/8675
cvssv3.1 9.8 https://github.com/parse-community/parse-server/releases/tag/5.5.2
generic_textual CRITICAL https://github.com/parse-community/parse-server/releases/tag/5.5.2
ssvc Track https://github.com/parse-community/parse-server/releases/tag/5.5.2
cvssv3.1 9.8 https://github.com/parse-community/parse-server/releases/tag/6.2.1
generic_textual CRITICAL https://github.com/parse-community/parse-server/releases/tag/6.2.1
ssvc Track https://github.com/parse-community/parse-server/releases/tag/6.2.1
cvssv3.1 9.8 https://github.com/parse-community/parse-server/security/advisories/GHSA-462x-c3jw-7vr6
cvssv3.1_qr CRITICAL https://github.com/parse-community/parse-server/security/advisories/GHSA-462x-c3jw-7vr6
generic_textual CRITICAL https://github.com/parse-community/parse-server/security/advisories/GHSA-462x-c3jw-7vr6
ssvc Track https://github.com/parse-community/parse-server/security/advisories/GHSA-462x-c3jw-7vr6
cvssv3.1 9.8 https://nvd.nist.gov/vuln/detail/CVE-2023-36475
generic_textual CRITICAL https://nvd.nist.gov/vuln/detail/CVE-2023-36475
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2023-36475
https://github.com/parse-community/parse-server
https://github.com/parse-community/parse-server/commit/3dd99dd80e27e5e1d99b42844180546d90c7aa90
https://github.com/parse-community/parse-server/commit/5fad2928fb8ee17304abcdcf259932f827d8c81f
https://github.com/parse-community/parse-server/issues/8674
https://github.com/parse-community/parse-server/issues/8675
https://github.com/parse-community/parse-server/releases/tag/5.5.2
https://github.com/parse-community/parse-server/releases/tag/6.2.1
CVE-2023-36475 https://nvd.nist.gov/vuln/detail/CVE-2023-36475
GHSA-462x-c3jw-7vr6 https://github.com/advisories/GHSA-462x-c3jw-7vr6
GHSA-462x-c3jw-7vr6 https://github.com/parse-community/parse-server/security/advisories/GHSA-462x-c3jw-7vr6
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://github.com/parse-community/parse-server
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://github.com/parse-community/parse-server/commit/3dd99dd80e27e5e1d99b42844180546d90c7aa90
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: SSVCv2/E:N/A:Y/T:T/P:M/B:A/M:M/D:T/2024-11-27T14:43:51Z/ Found at https://github.com/parse-community/parse-server/commit/3dd99dd80e27e5e1d99b42844180546d90c7aa90
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://github.com/parse-community/parse-server/commit/5fad2928fb8ee17304abcdcf259932f827d8c81f
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: SSVCv2/E:N/A:Y/T:T/P:M/B:A/M:M/D:T/2024-11-27T14:43:51Z/ Found at https://github.com/parse-community/parse-server/commit/5fad2928fb8ee17304abcdcf259932f827d8c81f
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://github.com/parse-community/parse-server/issues/8674
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: SSVCv2/E:N/A:Y/T:T/P:M/B:A/M:M/D:T/2024-11-27T14:43:51Z/ Found at https://github.com/parse-community/parse-server/issues/8674
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://github.com/parse-community/parse-server/issues/8675
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: SSVCv2/E:N/A:Y/T:T/P:M/B:A/M:M/D:T/2024-11-27T14:43:51Z/ Found at https://github.com/parse-community/parse-server/issues/8675
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://github.com/parse-community/parse-server/releases/tag/5.5.2
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: SSVCv2/E:N/A:Y/T:T/P:M/B:A/M:M/D:T/2024-11-27T14:43:51Z/ Found at https://github.com/parse-community/parse-server/releases/tag/5.5.2
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://github.com/parse-community/parse-server/releases/tag/6.2.1
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: SSVCv2/E:N/A:Y/T:T/P:M/B:A/M:M/D:T/2024-11-27T14:43:51Z/ Found at https://github.com/parse-community/parse-server/releases/tag/6.2.1
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://github.com/parse-community/parse-server/security/advisories/GHSA-462x-c3jw-7vr6
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: SSVCv2/E:N/A:Y/T:T/P:M/B:A/M:M/D:T/2024-11-27T14:43:51Z/ Found at https://github.com/parse-community/parse-server/security/advisories/GHSA-462x-c3jw-7vr6
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2023-36475
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 0.93129
EPSS Score 0.09829
Published At June 5, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-02T04:45:12.739412+00:00 GitLab Importer Import https://gitlab.com/gitlab-org/advisories-community/-/blob/main/npm/parse-server/CVE-2023-36475.yml 38.6.0