CVE-2023-4699

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

0.76% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 55.0% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

2023-11-06 05:02Z2 YR AGO

Last updated

2025-12-16 18:23Z10 MO AGO

Reserved

2023-09-01

Assigning CNA

Mitsubishi

Record state

PUBLISHED

Severity

Critical (CVSS 10.0)

CNA CVSS vector

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

Weaknesses

• CWE-306Missing Authentication for Critical FunctionBase
• CWE-345Insufficient Verification of Data AuthenticityClass

Data version

5.2

Document digest

f3ea6816fec23a4a384973c3e2c081dbba7eee694a83949f0f49373779fe9f00

• www.mitsubishielectric.comhttps://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2023-013_en.pdfvendor-advisory
• jvn.jphttps://jvn.jp/vu/JVNVU94620134/government-resource
• www.cisa.govhttps://www.cisa.gov/news-events/ics-advisories/icsa-23-306-03government-resource