Skip to content
Fencer Vulns
medium 6.3

CVE-2024-4511 json

Shanghai Sunfull Automation BACnet Server HMI1002-ARM Message buffer overflow

published 2024-05-06 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-44125

cvss
6.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 46%
public exploits
0
none known

Summary

A vulnerability classified as critical has been found in Shanghai Sunfull Automation BACnet Server HMI1002-ARM 2.0.4. This affects an unknown part of the component Message Handler. The manipulation leads to buffer overflow. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-263115. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
2 y ago

Exploit prediction

0.55% chance of exploitation in the next 30 days, higher than 46% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/isZzzz/HMI1002-ARM-Gateway-Document/blob/main/sunfull_bug.pcapng referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 6.3 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CNA 3.0 6.3 CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CNA 2.0 5.8 AV:A/AC:L/Au:N/C:P/I:P/A:P

Affected products

  • Shanghai Sunfull Automation BACnet Server HMI1002-ARM
  • shanghai_sunfill_automation BACnet_server_HMI1002-ARM

Classification

Weakness
  • CWE-120 Buffer Copy without Checking Size of Input

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.