CVE-2023-40409

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 ImpacttotalSuccessful exploitation gives total 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

0.34% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 27.4% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

2023-09-26 20:14Z2 YR AGO

Last updated

2025-11-04 19:18Z10 MO AGO

Reserved

2023-08-14

Assigning CNA

apple

Record state

PUBLISHED

Severity

High (CVSS 7.8)

CNA CVSS vector

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

Weaknesses

No CWE assigned

Data version

5.2

Document digest

91f34e3cd7d2818472e8a9e0143bf9339c74780fef201f160bf1c5058a1b4f87

• support.apple.comhttps://support.apple.com/en-us/HT213938
• support.apple.comhttps://support.apple.com/en-us/HT213932
• support.apple.comhttps://support.apple.com/en-us/HT213931
• support.apple.comhttps://support.apple.com/en-us/HT213936
• support.apple.comhttps://support.apple.com/en-us/HT213937
• seclists.orghttp://seclists.org/fulldisclosure/2023/Oct/5
• seclists.orghttp://seclists.org/fulldisclosure/2023/Oct/10
• seclists.orghttp://seclists.org/fulldisclosure/2023/Oct/6
• seclists.orghttp://seclists.org/fulldisclosure/2023/Oct/8
• seclists.orghttp://seclists.org/fulldisclosure/2023/Oct/9
• support.apple.comhttps://support.apple.com/kb/HT213932
• support.apple.comhttps://support.apple.com/kb/HT213931
• support.apple.comhttps://support.apple.com/kb/HT213938
• support.apple.comhttps://support.apple.com/kb/HT213937
• support.apple.comhttps://support.apple.com/kb/HT213936