CVE-2023-40238

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

1.86% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 77.3% 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

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

2023-12-07 00:00Z2 YR AGO

Last updated

2026-02-25 17:20Z6 MO AGO

Reserved

2023-08-11

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Medium (CVSS 5.5)

CNA CVSS vector

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

Weaknesses

• CWE-312Cleartext Storage of Sensitive InformationBase

Data version

5.2

Document digest

5380435a151d28b352f96d057624ee70cd73fd3c7522613d430a7d56024100f2

• www.insyde.comhttps://www.insyde.com/security-pledge
• www.kb.cert.orgVU#811862https://www.kb.cert.org/vuls/id/811862third-party-advisory
• www.insyde.comhttps://www.insyde.com/security-pledge/SA-2023053
• binarly.iohttps://binarly.io/posts/finding_logofail_the_dangers_of_image_parsing_during_system_boot/index.html
• security.netapp.comhttps://security.netapp.com/advisory/ntap-20240105-0002/