CVE-2021-43786

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

2.36% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 83.5% 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

No Red Hat rating. Red Hat rates the CVEs that affect its products.

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

2021-11-29 19:30Z4 YR AGO

Last updated

2024-08-04 04:03Z2 YR AGO

Reserved

2021-11-16

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

Critical (CVSS 9.8)

CNA CVSS vector

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

Weaknesses

• CWE-287Improper AuthenticationClass

Data version

5.1

Document digest

1651afab08e2196871ed7b3ba714276aa44441e30e0930bbb391287480d594ca

• github.comhttps://github.com/NodeBB/NodeBB/releases/tag/v1.18.5x_refsource_MISC
• github.comhttps://github.com/NodeBB/NodeBB/security/advisories/GHSA-hf2m-j98r-4fqwx_refsource_CONFIRM
• github.comhttps://github.com/NodeBB/NodeBB/commit/04dab1d550cdebf4c1567bca9a51f8b9ca48a500x_refsource_MISC
• blog.sonarsource.comhttps://blog.sonarsource.com/nodebb-remote-code-execution-with-one-shot/x_refsource_MISC