CVE-2024-4791

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

1.27% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 69.3% of scored records. A rank, not a probability.

NVD base score

8.7 (CVSS v4.0), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

NVD analysis status

Deferred. 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

2024-05-12 01:00Z2 YR AGO

Last updated

2024-08-08 19:20Z2 YR AGO

Reserved

2024-05-11

Assigning CNA

VulDB

Record state

PUBLISHED

Severity

High (CVSS 8.7)

CNA CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Weaknesses

• CWE-404Improper Resource Shutdown or ReleaseClass

Data version

5.1

Document digest

464edfebc23c2fad554b2ff4fa3d8c33c5830f5ea969e37fca832dd8b20c9cb0

• vuldb.comVDB-263890 | Contemporary Control System BASrouter BACnet BASRT-B Application Protocol Data Unit denial of servicehttps://vuldb.com/?id.263890vdb-entry
• vuldb.comVDB-263890 | CTI Indicators (IOB, IOC, TTP)https://vuldb.com/?ctiid.263890signaturepermissions-required
• vuldb.comSubmit #323630 | Contemporary Control System BASRT-B 2.7.2 Denial of Servicehttps://vuldb.com/?submit.323630third-party-advisory
• github.comhttps://github.com/isZzzz/BASRT-B_BACnet_Router_Document/blob/main/BASRT-B_2_CVE_apply.pdfbroken-link
• github.comhttps://github.com/isZzzz/BASRT-B_BACnet_Router_Document/blob/main/BASER-B_APDU.pcapngbroken-linkexploit