CVE-2021-27515

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

1.96% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 78.6% 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

2021-02-21 00:00Z5 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-1286Improper Validation of Syntactic Correctness of InputBase

Data version

5.1

Document digest

5729013ab8942d603a86a7038176772930d06964ab0b38227f0593866b7072b6

• github.comhttps://github.com/unshiftio/url-parse/commit/d1e7e8822f26e8a49794b757123b51386325b2b0
• github.comhttps://github.com/unshiftio/url-parse/pull/197
• github.comhttps://github.com/unshiftio/url-parse/compare/1.4.7...1.5.0
• advisory.checkmarx.nethttps://advisory.checkmarx.net/advisory/CX-2021-4306
• 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