CVE-2021-27516

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

2.48% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 83.2% 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:H/I:N/A:N

NVD analysis status

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

Red Hat severity

Important. 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

2021-02-21 23:29Z5 YR AGO

Last updated

2024-08-03 21:26Z2 YR AGO

Reserved

2021-02-21

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-20Improper Input ValidationClass

Data version

5.1

Document digest

95d220165de9abdbea59152c54ff2fcffdd4c0643e7b58f488fa545ca11b5c1c

• github.comhttps://github.com/medialize/URI.js/commit/a1ad8bcbc39a4d136d7e252e76e957f3ece70839x_refsource_MISC
• github.comhttps://github.com/medialize/URI.js/releases/tag/v1.19.6x_refsource_MISC
• advisory.checkmarx.nethttps://advisory.checkmarx.net/advisory/CX-2021-4305x_refsource_MISC