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Vulnerability details: VCID-4j11-d1fm-cbe4
Vulnerability ID VCID-4j11-d1fm-cbe4
Aliases CVE-2021-37699
GHSA-vxf5-wxwp-m7g9
Summary URL Redirection to Untrusted Site (Open Redirect) Next.In general, this redirect does not directly harm users although can allow for phishing attacks by redirecting to an attacker's domain from a trusted domain.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (3)
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
CWE-601 URL Redirection to Untrusted Site ('Open Redirect')
System Score Found at
epss 0.0043 https://api.first.org/data/v1/epss?cve=CVE-2021-37699
epss 0.0043 https://api.first.org/data/v1/epss?cve=CVE-2021-37699
epss 0.0043 https://api.first.org/data/v1/epss?cve=CVE-2021-37699
epss 0.0043 https://api.first.org/data/v1/epss?cve=CVE-2021-37699
epss 0.0043 https://api.first.org/data/v1/epss?cve=CVE-2021-37699
epss 0.0043 https://api.first.org/data/v1/epss?cve=CVE-2021-37699
epss 0.0043 https://api.first.org/data/v1/epss?cve=CVE-2021-37699
epss 0.0043 https://api.first.org/data/v1/epss?cve=CVE-2021-37699
epss 0.0043 https://api.first.org/data/v1/epss?cve=CVE-2021-37699
epss 0.0043 https://api.first.org/data/v1/epss?cve=CVE-2021-37699
epss 0.0043 https://api.first.org/data/v1/epss?cve=CVE-2021-37699
epss 0.0043 https://api.first.org/data/v1/epss?cve=CVE-2021-37699
epss 0.0043 https://api.first.org/data/v1/epss?cve=CVE-2021-37699
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-vxf5-wxwp-m7g9
cvssv3.1 6.9 https://github.com/vercel/next.js
generic_textual MODERATE https://github.com/vercel/next.js
cvssv3.1 6.9 https://github.com/vercel/next.js/releases/tag/v11.1.0
generic_textual MODERATE https://github.com/vercel/next.js/releases/tag/v11.1.0
cvssv3.1 6.9 https://github.com/vercel/next.js/security/advisories/GHSA-vxf5-wxwp-m7g9
cvssv3.1_qr MODERATE https://github.com/vercel/next.js/security/advisories/GHSA-vxf5-wxwp-m7g9
generic_textual MODERATE https://github.com/vercel/next.js/security/advisories/GHSA-vxf5-wxwp-m7g9
cvssv3.1 6.9 https://nvd.nist.gov/vuln/detail/CVE-2021-37699
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2021-37699
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2021-37699
https://github.com/vercel/next.js
https://github.com/vercel/next.js/releases/tag/v11.1.0
https://github.com/vercel/next.js/security/advisories/GHSA-vxf5-wxwp-m7g9
CVE-2021-37699 https://nvd.nist.gov/vuln/detail/CVE-2021-37699
GHSA-vxf5-wxwp-m7g9 https://github.com/advisories/GHSA-vxf5-wxwp-m7g9
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:L/A:N Found at https://github.com/vercel/next.js
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:H/PR:N/UI:R/S:C/C:H/I:L/A:N Found at https://github.com/vercel/next.js/releases/tag/v11.1.0
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:H/PR:N/UI:R/S:C/C:H/I:L/A:N Found at https://github.com/vercel/next.js/security/advisories/GHSA-vxf5-wxwp-m7g9
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:H/PR:N/UI:R/S:C/C:H/I:L/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2021-37699
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 0.62434
EPSS Score 0.0043
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T12:48:39.446935+00:00 GitLab Importer Import https://gitlab.com/gitlab-org/advisories-community/-/blob/main/npm/next/CVE-2021-37699.yml 38.0.0