CVE-2021-47395

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 15.2% 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

Analyzed. 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

2024-05-21 15:03Z2 YR AGO

Last updated

2026-05-11 13:53Z3 MO AGO

Reserved

2024-05-21

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-20Improper Input ValidationClass

Data version

5.2

Document digest

d2519e61a55b0046b7771810444be98c9a535d53e36847db5fb5f93818aefa13

• git.kernel.orghttps://git.kernel.org/stable/c/e5bb852aa2ad963074f0ad73030dbc20a30853e3
• git.kernel.orghttps://git.kernel.org/stable/c/ce5f372f5f084ff51c285fc27b232f15a3d00f0b
• git.kernel.orghttps://git.kernel.org/stable/c/76538c7b4df314bb937e44c5cb1782f37d47443c
• git.kernel.orghttps://git.kernel.org/stable/c/ab85997465b972d39d9747fc16311fa5773374b2
• git.kernel.orghttps://git.kernel.org/stable/c/1282bb00835ff79d2d9c023055d514df5b4de260
• git.kernel.orghttps://git.kernel.org/stable/c/997ee230e4f5285cd98445c102d9033c7ec4814b
• git.kernel.orghttps://git.kernel.org/stable/c/13cb6d826e0ac0d144b0d48191ff1a111d32f0c6