CVE-2021-47002

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.24% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 14.6% of scored records. A rank, not a probability.

NVD base score

5.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/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

Moderate. 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

2024-02-28 08:13Z2 YR AGO

Last updated

2026-05-23 15:18Z3 MO AGO

Reserved

2024-02-27

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-476NULL Pointer DereferenceBase

Data version

5.2

Document digest

7fd5648a8c4ec8850b93e345962a67d0394c868a4d1a9237cc740be3cc30f75b

• git.kernel.orghttps://git.kernel.org/stable/c/3de81c1e84bf84803308da3272a829a7655c5336
• git.kernel.orghttps://git.kernel.org/stable/c/1e10f58f1c9a6b667b045513c7a4e6111c24fe7c
• git.kernel.orghttps://git.kernel.org/stable/c/c664aaec9aee544538a78ba4893a44bc73a6d742
• git.kernel.orghttps://git.kernel.org/stable/c/b9f83ffaa0c096b4c832a43964fe6bff3acffe10
• cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/html/ssa-265688.html