CVE-2013-6404

Name: CVE-2013-6404
Creator: NVD / NIST
Published: 2013-12-09T16:36:47.283+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.06%

Last modified Jun 17, 2026

CVE-2013-6404 is a vulnerability of currently unknown severity. Quassel core (server daemon) in Quassel IRC before 0.9.2 does not properly verify the user ID when accessing user backlogs, which allows remote authenticated users to read other users' backlogs via the bufferid in (1) 16/select_buffer_by_id.sql, (2) 16/select_buffer_by_id.sql, and (3) 16/select_buffer_by_id.sql in core/SQL/PostgreSQL/.. EPSS estimates a 2.06% chance of exploitation in the next 30 days.

Description

Quassel core (server daemon) in Quassel IRC before 0.9.2 does not properly verify the user ID when accessing user backlogs, which allows remote authenticated users to read other users' backlogs via the bufferid in (1) 16/select_buffer_by_id.sql, (2) 16/select_buffer_by_id.sql, and (3) 16/select_buffer_by_id.sql in core/SQL/PostgreSQL/.

Metrics

EPSS Probability

2.06%

78.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-264

Affected Software

Vendor	Product	Versions
Quassel-Irc	Quassel Irc	<= 0.9.1
Quassel-Irc	Quassel Irc	0.9.0

References

Timeline

Published: Dec 9, 2013
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2013-6404?

How severe is CVE-2013-6404?

Severity scoring for CVE-2013-6404 is pending analysis. The EPSS model estimates a 2.06% probability of exploitation in the next 30 days.

How do I fix CVE-2013-6404?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2013-6404?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST