CVE-2021-43843

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

1.97% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 79.9% 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

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

2021-12-20 21:15Z4 YR AGO

Last updated

2024-08-04 04:10Z2 YR AGO

Reserved

2021-11-16

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

Medium (CVSS 5.3)

CNA CVSS vector

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

Weaknesses

• CWE-400Uncontrolled Resource ConsumptionClass
• CWE-1333Inefficient Regular Expression ComplexityBase

Data version

5.1

Document digest

3c657fafb197370c712ebbd4b13dc19559a8d054af915b63d3e8be1c0c4f0ae7

• github.comhttps://github.com/yhatt/jsx-slack/security/advisories/GHSA-hp68-xhvj-x6j6x_refsource_CONFIRM
• github.comhttps://github.com/yhatt/jsx-slack/security/advisories/GHSA-55xv-f85c-248qx_refsource_MISC
• github.comhttps://github.com/yhatt/jsx-slack/commit/46bc88391d89d5fda4ce689e18ca080bcdd29eccx_refsource_MISC
• github.comhttps://github.com/yhatt/jsx-slack/releases/tag/v4.5.2x_refsource_MISC