CVE-2021-43616

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

2.53% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 83.5% 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

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

2021-11-13 00:00Z4 YR AGO

Last updated

2024-08-04 04:03Z2 YR AGO

Reserved

2021-11-13

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Critical (CVSS 9.0)

CNA CVSS vector

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

Weaknesses

• CWE-345Insufficient Verification of Data AuthenticityClass

Data version

5.1

Document digest

e8438a8b14094ed3a3054c7f13cd8e645e73d96c5b7c3d435821100ac3d01cfc

• github.comhttps://github.com/npm/cli/issues/2701
• docs.npmjs.comhttps://docs.npmjs.com/cli/v7/commands/npm-ci
• github.comhttps://github.com/icatalina/CVE-2021-43616
• medium.comhttps://medium.com/cider-sec/this-time-we-were-lucky-85c0dcac94a0
• security.netapp.comhttps://security.netapp.com/advisory/ntap-20211210-0002/
• github.comhttps://github.com/npm/cli/commit/457e0ae61bbc55846f5af44afa4066921923490f
• lists.fedoraproject.orgFEDORA-2022-97b214b298https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NXNVFKOF5ZYH5NIRWHKN6O6UBCHDV6FE/vendor-advisory
• docs.npmjs.comhttps://docs.npmjs.com/cli/v8/commands/npm-ci
• github.comhttps://github.com/npm/cli/issues/2701#issuecomment-979054224
• github.comhttps://github.com/npm/cli/issues/2701#issuecomment-972900511