CVE-2023-42856

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

0.39% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 32.5% 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

2023-10-25 18:31Z2 YR AGO

Last updated

2025-02-13 17:12Z1 YR AGO

Reserved

2023-09-14

Assigning CNA

apple

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass

Data version

5.1

Document digest

45e2c712c223cfec0e2bc6a48c510b129c5b1af6dc32682e18cfbd3b02b85581

• support.apple.comhttps://support.apple.com/en-us/HT213984
• support.apple.comhttps://support.apple.com/en-us/HT213985
• support.apple.comhttps://support.apple.com/en-us/HT213983
• support.apple.comhttps://support.apple.com/kb/HT213984
• support.apple.comhttps://support.apple.com/kb/HT213985
• support.apple.comhttps://support.apple.com/kb/HT213983
• seclists.orghttp://seclists.org/fulldisclosure/2023/Oct/21
• seclists.orghttp://seclists.org/fulldisclosure/2023/Oct/24
• seclists.orghttp://seclists.org/fulldisclosure/2023/Oct/26