How severe is CVE-2023-54329?

CVE-2023-54329 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-54329 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-54329?

CVE-2023-54329 affects Inbit Inbit Messenger. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-54329?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2023-54329 have an EU (EUVD) identifier?

Yes. CVE-2023-54329 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-2581.

When was CVE-2023-54329 published?

CVE-2023-54329 was published on 2026-01-13 and last updated on 2026-06-17.

CVE-2023-54329

CVE-2023-54329 is a critical-severity vulnerability in Inbit Inbit Messenger with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v4: 9.3
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-2581
Weakness: CWE-787
Affected product: Inbit Inbit Messenger
Published: 2026-01-13
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2023-54329?: 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.
How severe is CVE-2023-54329?: CVE-2023-54329 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-54329 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-54329?: CVE-2023-54329 affects Inbit Inbit Messenger. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-54329?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2023-54329 have an EU (EUVD) identifier?: Yes. CVE-2023-54329 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-2581.
When was CVE-2023-54329 published?: CVE-2023-54329 was published on 2026-01-13 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:inbit:inbit_messenger:*:*:*:*:*:*:*:*

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