Inbit Messenger 4.9.0 - Unauthenticated Remote Command Execution (RCE)
Priority HIGH 81CWE-121Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-121 and the CVSS impact.
Summary
Inbit Messenger 4.6.0 - 4.9.0 contains a remote command execution vulnerability that allows unauthenticated attackers to execute arbitrary commands by exploiting a stack overflow in the messenger's protocol. Attackers can send specially crafted XML packets to port 10883 with a malicious payload to trigger the vulnerability and execute commands with system privileges.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.01203 68th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-54329
- 2026-10-03 Alias added: GHSA-xvhq-qrmp-cx9w
References
Exploit 2
More Inbit Messenger vulnerabilities
- TI-2023-30604 Inbit Messenger 4.9.0 - Unauthenticated Remote SEH Overflow CVSS 4.0CRITICAL 9.3
Sources
- CVE-2023-54329 · CVE Program
- CVE-2023-54329 · NVD
- FIRST EPSS
- GHSA-xvhq-qrmp-cx9w · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences