CVE-2021-23440

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

2.20% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 82.2% of scored records. A rank, not a probability.

NVD base score

9.8 (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:H/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

2021-09-12 12:55Z5 YR AGO

Last updated

2024-09-16 19:20Z2 YR AGO

Reserved

2021-01-08

Assigning CNA

snyk

Record state

PUBLISHED

Severity

High (CVSS 7.3)

CNA CVSS vector

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

Weaknesses

• CWE-843Access of Resource Using Incompatible Type ('Type Confusion')Base

Data version

5.1

Document digest

545b72dc84921b6c2254f92ad98a38ee9b8fee3ed36f068537f8de22d78e42c7

• snyk.iohttps://snyk.io/vuln/SNYK-JS-SETVALUE-1540541x_refsource_MISC
• snyk.iohttps://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1584212x_refsource_MISC
• github.comhttps://github.com/jonschlinkert/set-value/commit/7cf8073bb06bf0c15e08475f9f952823b4576452x_refsource_MISC
• www.huntr.devhttps://www.huntr.dev/bounties/2eae1159-01de-4f82-a177-7478a408c4a2/x_refsource_MISC
• github.comhttps://github.com/jonschlinkert/set-value/pull/33x_refsource_MISC
• www.oracle.comhttps://www.oracle.com/security-alerts/cpujan2022.htmlx_refsource_MISC