How severe is CVE-2024-6303?

CVE-2024-6303 has a CVSS 3.x base score of 9.9, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-6303 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-6303?

CVE-2024-6303 affects Conduit. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-6303?

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-2024-6303 have an EU (EUVD) identifier?

Yes. CVE-2024-6303 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-47420.

When was CVE-2024-6303 published?

CVE-2024-6303 was published on 2024-06-25 and last updated on 2026-06-17.

CVE-2024-6303

CVE-2024-6303 is a critical-severity vulnerability in Conduit with a CVSS 3.x base score of 9.9. 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-862.

Key facts

Severity: Critical (CVSS 3.x base score 9.9)
EPSS exploit prediction: 0% (35th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-47420
Weakness: CWE-862
Affected product: Conduit
Published: 2024-06-25
Last modified: 2026-06-17

Description

Missing authorization in Client-Server API in Conduit <=0.7.0, allowing for any alias to be removed and added to another room, which can be used for privilege escalation by moving the #admins alias to a room which they control, allowing them to run commands resetting passwords, siging json with the server's key, deactivating users, and more

Frequently asked questions

What is CVE-2024-6303?: Missing authorization in Client-Server API in Conduit <=0.7.0, allowing for any alias to be removed and added to another room, which can be used for privilege escalation by moving the #admins alias to a room which they control, allowing them to run commands resetting passwords, siging json with the server's key, deactivating users, and more
How severe is CVE-2024-6303?: CVE-2024-6303 has a CVSS 3.x base score of 9.9, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-6303 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-6303?: CVE-2024-6303 affects Conduit. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-6303?: 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-2024-6303 have an EU (EUVD) identifier?: Yes. CVE-2024-6303 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-47420.
When was CVE-2024-6303 published?: CVE-2024-6303 was published on 2024-06-25 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:conduit:conduit:*:*:*:*:*:*:*:*

More vulnerabilities in Conduit

CVE-2024-6302 — High (CVSS 8.1): Lack of privilege checking when processing a redaction in Conduit versions v0.6.0 and lower, allowing a local user to…
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