01 Record

CVE-2021-29873

IBM Flash System 900 could allow an authenticated attacker to obtain sensitive information and cause a denial of service due to a restricted shell escape vulnerability. IBM X-Force ID: 206229.

HighPUBLISHEDCNA: ibm

CNA base score8.8 CVSS v3.xCVSS:3.0/A:H/AV:N/I:H/PR:L/C:H/S:U/UI:N/AC:L/E:U/RC:C/RL:O

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02 Description

IBM Flash System 900 could allow an authenticated attacker to obtain sensitive information and cause a denial of service due to a restricted shell escape vulnerability. IBM X-Force ID: 206229.

03 Exploitation and scoring

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: 1.53% probability of exploitation activity in the next 30 days.
EPSS percentile: Ranks above 72.9% of scored records. A rank, not a probability.
NVD base score: 8.1 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/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.

04 Metadata

Published: 2021-10-21 16:40Z4 YR AGO
Last updated: 2024-09-16 20:17Z1 YR AGO
Reserved: 2021-03-31
Assigning CNA: ibm
Record state: PUBLISHED
Severity: High (CVSS 8.8)
CNA CVSS vector: CVSS:3.0/A:H/AV:N/I:H/PR:L/C:H/S:U/UI:N/AC:L/E:U/RC:C/RL:O
Weaknesses: No CWE assigned
Data version: 5.1
Document digest: 1d65c374d8ef0df9e60271f1ccc91f8494c6d6a8aff869d8a263567b4c342f45