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Vulnerability details: VCID-7xdu-ex7w-bkav
Vulnerability ID VCID-7xdu-ex7w-bkav
Aliases CVE-2019-1020012
GHSA-2479-qvv7-47qq
Summary Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling') parse-server before 3.4.1 allows DoS after any POST to a volatile class.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-444 Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
epss 0.00334 https://api.first.org/data/v1/epss?cve=CVE-2019-1020012
epss 0.00334 https://api.first.org/data/v1/epss?cve=CVE-2019-1020012
epss 0.00334 https://api.first.org/data/v1/epss?cve=CVE-2019-1020012
epss 0.00334 https://api.first.org/data/v1/epss?cve=CVE-2019-1020012
cvssv3.1 7.5 https://github.com/advisories/GHSA-2479-qvv7-47qq
cvssv3.1_qr HIGH https://github.com/advisories/GHSA-2479-qvv7-47qq
generic_textual HIGH https://github.com/advisories/GHSA-2479-qvv7-47qq
cvssv3.1 7.5 https://github.com/parse-community/parse-server
generic_textual HIGH https://github.com/parse-community/parse-server
cvssv3.1 7.5 https://github.com/parse-community/parse-server/security/advisories/GHSA-2479-qvv7-47qq
cvssv3.1_qr HIGH https://github.com/parse-community/parse-server/security/advisories/GHSA-2479-qvv7-47qq
generic_textual HIGH https://github.com/parse-community/parse-server/security/advisories/GHSA-2479-qvv7-47qq
cvssv3.1 7.5 https://nvd.nist.gov/vuln/detail/CVE-2019-1020012
generic_textual HIGH https://nvd.nist.gov/vuln/detail/CVE-2019-1020012
cvssv3.1 7.5 https://snyk.io/vuln/SNYK-JS-PARSESERVER-455635
generic_textual HIGH https://snyk.io/vuln/SNYK-JS-PARSESERVER-455635
cvssv3.1 7.5 https://www.npmjs.com/advisories/1113
generic_textual HIGH https://www.npmjs.com/advisories/1113
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2019-1020012
https://github.com/parse-community/parse-server
https://snyk.io/vuln/SNYK-JS-PARSESERVER-455635
https://www.npmjs.com/advisories/1113
CVE-2019-1020012 https://nvd.nist.gov/vuln/detail/CVE-2019-1020012
GHSA-2479-qvv7-47qq https://github.com/advisories/GHSA-2479-qvv7-47qq
GHSA-2479-qvv7-47qq https://github.com/parse-community/parse-server/security/advisories/GHSA-2479-qvv7-47qq
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://github.com/advisories/GHSA-2479-qvv7-47qq
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:L/PR:N/UI:N/S:U/C:N/I:N/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:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://github.com/parse-community/parse-server/security/advisories/GHSA-2479-qvv7-47qq
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:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2019-1020012
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:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://snyk.io/vuln/SNYK-JS-PARSESERVER-455635
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:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://www.npmjs.com/advisories/1113
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 0.5655
EPSS Score 0.00334
Published At June 4, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-02T04:39:21.817507+00:00 GitLab Importer Import https://gitlab.com/gitlab-org/advisories-community/-/blob/main/npm/parse-server/CVE-2019-1020012.yml 38.6.0