CVE-2021-23859

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

0.97% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 59.4% 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

2021-12-08 21:17Z4 YR AGO

Last updated

2024-09-16 19:45Z1 YR AGO

Reserved

2021-01-12

Assigning CNA

bosch

Record state

PUBLISHED

Severity

Critical (CVSS 9.1)

CNA CVSS vector

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

Weaknesses

• CWE-703Improper Check or Handling of Exceptional ConditionsPillar
• CWE-755Improper Handling of Exceptional ConditionsClass

Data version

5.1

Document digest

969eee3a99585e1dca1f7b199a4b8b9d9b5e372bdee5e97cbb85c447301b3fcb

• psirt.bosch.comhttps://psirt.bosch.com/security-advisories/bosch-sa-043434-bt.htmlx_refsource_CONFIRM