CVE-2023-39457

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

2.03% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 79.3% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD analysis status

Analyzed. 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

2024-05-03 01:59Z2 YR AGO

Last updated

2024-08-02 18:10Z2 YR AGO

Reserved

2023-08-02

Assigning CNA

zdi

Record state

PUBLISHED

Severity

Critical (CVSS 9.8)

CNA CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses

• CWE-306Missing Authentication for Critical FunctionBase

Data version

5.1

Document digest

7ee9dd2caadbd619997f3d172806d38228e261814e5207d7196f1703e3c18648

• www.zerodayinitiative.comZDI-23-1025https://www.zerodayinitiative.com/advisories/ZDI-23-1025/x_research-advisory
• www.trianglemicroworks.comvendor-provided URLhttps://www.trianglemicroworks.com/products/scada-data-gateway/what's-newvendor-advisory