Inbit Messenger up to 4.9.0 XML stack-based overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.2$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Inbit Messenger up to 4.9.0. Affected by this issue is some unknown functionality of the component XML Handler. This manipulation causes stack-based overflow. This vulnerability appears as CVE-2023-54329. The attack may be initiated remotely. In addition, an exploit is available.

Detailsinfo

A vulnerability has been found in Inbit Messenger up to 4.9.0 and classified as critical. Affected by this vulnerability is an unknown code of the component XML Handler. The manipulation with an unknown input leads to a stack-based overflow vulnerability. The CWE definition for the vulnerability is CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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.

The weakness was presented by a-rey as 51127. It is possible to read the advisory at exploit-db.com. This vulnerability is known as CVE-2023-54329 since 01/10/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are unknown but a public exploit is available.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Exploit-DB (51127). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.2

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 9.8
CNA Vector (VulnCheck): 🔒

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Stack-based overflow
CWE: CWE-121 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Exploit-DB: 🔒

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

01/10/2026 CVE reserved
01/14/2026 +4 days Advisory disclosed
01/14/2026 +0 days VulDB entry created
01/14/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: 51127
Researcher: a-rey
Status: Not defined

CVE: CVE-2023-54329 (🔒)
GCVE (CVE): GCVE-0-2023-54329
GCVE (VulDB): GCVE-100-341023
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 01/14/2026 08:51
Changes: 01/14/2026 08:51 (81)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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