CVE-2021-3765

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

1.77% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 77.7% of scored records. A rank, not a probability.

NVD base score

7.5 (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:N/A:H

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

2021-11-02 07:05Z4 YR AGO

Last updated

2024-08-03 17:09Z2 YR AGO

Reserved

2021-09-03

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:N/A:L

Weaknesses

• CWE-1333Inefficient Regular Expression ComplexityBase

Data version

5.1

Document digest

41af10fb3b7ace672c7fe0d86e4ed4eeba59fbaa335c0cabbc6a7eb39cc95503

• huntr.devhttps://huntr.dev/bounties/c37e975c-21a3-4c5f-9b57-04d63b28cfc9x_refsource_CONFIRM
• github.comhttps://github.com/validatorjs/validator.js/commit/496fc8b2a7f5997acaaec33cc44d0b8dba5fb5e1x_refsource_MISC