CVE-2021-3664

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

2.11% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 81.2% of scored records. A rank, not a probability.

NVD base score

5.3 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2021-07-26 00:00Z5 YR AGO

Last updated

2024-08-03 17:01Z2 YR AGO

Reserved

2021-07-23

Assigning CNA

@huntrdev

Record state

PUBLISHED

Severity

Medium (CVSS 5.3)

CNA CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Weaknesses

• CWE-601URL Redirection to Untrusted Site ('Open Redirect')Base

Data version

5.1

Document digest

ae0e495d8c4abc9139584b2185d9329bde2dfda6a4ff47ef6fedc1bf1831b0b3

• huntr.devhttps://huntr.dev/bounties/1625557993985-unshiftio/url-parse
• github.comhttps://github.com/unshiftio/url-parse/commit/81ab967889b08112d3356e451bf03e6aa0cbb7e0
• lists.debian.org[debian-lts-announce] 20230223 [SECURITY] [DLA 3336-1] node-url-parse security updatehttps://lists.debian.org/debian-lts-announce/2023/02/msg00030.htmlmailing-list