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CVE-2023-54330

CRITICAL Exploitation: PoC
9.8
CVSS 3.1
Description
Inbit Messenger versions 4.6.0 to 4.9.0 contain a remote stack-based buffer overflow vulnerability that allows unauthenticated attackers to execute arbitrary code by sending malformed network packets. Attackers can craft a specially designed payload targeting the messenger's network handler to overwrite the Structured Exception Handler (SEH) and execute shellcode on vulnerable Windows systems.

Metadata

CVE ID
CVE-2023-54330
State
PUBLISHED
Assigner
VulnCheck
Reserved
2026-01-10 01:51 UTC
Published
2026-01-13 22:52 UTC
Last updated
2026-03-05 01:29 UTC
Primary CWE
CWE-121
Stack-based Buffer Overflow
Vendor / Product
Inbit / Inbit Messenger
Sources
cve.org  ·  NVD

Severity & Metrics

9.8 CRITICAL CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC — CISA Coordinator
Exploitation
PoC
Automatable
yes
Tech. Impact
total
Affected products (1)
VendorProductPlatformVersions
Inbit Inbit Messenger — 4.6.0 ≤ 4.9.0
Weakness (CWE)
CWESourceDescription
CWE-121 cna Stack-based Buffer Overflow
CVSS scores (2)
ScoreSeverityVersionSourceVector
9.8 CRITICAL 3.1 cna CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.3 CRITICAL 4.0 cna CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
References (4)
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