CVE-2021-29059

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

2.81% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 85.3% 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

2021-06-21 15:49Z5 YR AGO

Last updated

2024-08-03 21:55Z2 YR AGO

Reserved

2021-03-22

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-770Allocation of Resources Without Limits or ThrottlingBase
• CWE-400Uncontrolled Resource ConsumptionClass

Data version

5.1

Document digest

26b65f5b08026b559cb918c335c5895eba66b52f1fc030a86022efc6cae0f53b

• www.npmjs.comhttps://www.npmjs.com/package/is-svgx_refsource_MISC
• github.comhttps://github.com/yetingli/SaveResults/blob/main/js/is-svg.jsx_refsource_MISC
• github.comhttps://github.com/sindresorhus/is-svg/releases/tag/v4.3.0x_refsource_MISC
• github.comhttps://github.com/yetingli/PoCs/blob/main/CVE-2021-29059/IS-SVG.mdx_refsource_MISC