CVE-2013-4422

SQL injection vulnerability in Quassel IRC before 0.9.1, when Qt 4.8.5 or later and PostgreSQL 8.2 or later are used, allows remote attackers to execute arbitrary SQL commands via a \ (backslash) in a message.

Published: 2013-10-23 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2013-4422 is rated Moderate Risk (56.4/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.11%). EPSS rose +1.44% over the last day, indicating growing attacker interest. Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2013-4422

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.67% 2.11% +1.44%
2 2025-03-30 0.86% 0.67% -0.19%
3 2025-03-29 — 0.86% —

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2013-4422

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.8 2.0 MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 8.6 6.4 [email protected]

Weakness enumeration for CVE-2013-4422

OS Trackers for CVE-2013-4422

vendor priority summary link
debian not yet assigned CVE-2013-4422 not yet assigned priority: Debian including 1 source packages (quassel), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2013-4422
gentoo normal CVE-2013-4422: 1 GLSA(s) (201311-03), 1 atom(s) (net-irc/quassel); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2013-4422
ubuntu medium CVE-2013-4422 medium priority: Ubuntu including 1 source packages (quassel), 5 status rows across 5 suites (lucid, precise, quantal, raring, upstream): not-affected 3, ignored 1, needs-triage 1. https://ubuntu.com/security/CVE-2013-4422

Affected software / configurations for CVE-2013-4422

Vendor Product Version Raw CPE
quassel-irc quassel_irc <= 0.9.0 cpe:2.3:a:quassel-irc:quassel_irc:*:*:*:*:*:*:*:*
quassel-irc quassel_irc 0.1.0 cpe:2.3:a:quassel-irc:quassel_irc:0.1.0:*:*:*:*:*:*:*
quassel-irc quassel_irc 0.3.0 cpe:2.3:a:quassel-irc:quassel_irc:0.3.0:*:*:*:*:*:*:*
quassel-irc quassel_irc 0.3.0.1 cpe:2.3:a:quassel-irc:quassel_irc:0.3.0.1:*:*:*:*:*:*:*
quassel-irc quassel_irc 0.3.0.2 cpe:2.3:a:quassel-irc:quassel_irc:0.3.0.2:*:*:*:*:*:*:*
quassel-irc quassel_irc 0.3.0.3 cpe:2.3:a:quassel-irc:quassel_irc:0.3.0.3:*:*:*:*:*:*:*
quassel-irc quassel_irc 0.3.1 cpe:2.3:a:quassel-irc:quassel_irc:0.3.1:*:*:*:*:*:*:*
quassel-irc quassel_irc 0.4.0 cpe:2.3:a:quassel-irc:quassel_irc:0.4.0:*:*:*:*:*:*:*
quassel-irc quassel_irc 0.4.1 cpe:2.3:a:quassel-irc:quassel_irc:0.4.1:*:*:*:*:*:*:*
quassel-irc quassel_irc 0.4.2 cpe:2.3:a:quassel-irc:quassel_irc:0.4.2:*:*:*:*:*:*:*
quassel-irc quassel_irc 0.4.3 cpe:2.3:a:quassel-irc:quassel_irc:0.4.3:*:*:*:*:*:*:*
quassel-irc quassel_irc 0.5.0 cpe:2.3:a:quassel-irc:quassel_irc:0.5.0:*:*:*:*:*:*:*
quassel-irc quassel_irc 0.6.1 cpe:2.3:a:quassel-irc:quassel_irc:0.6.1:*:*:*:*:*:*:*
quassel-irc quassel_irc 0.6.2 cpe:2.3:a:quassel-irc:quassel_irc:0.6.2:*:*:*:*:*:*:*
quassel-irc quassel_irc 0.6.3 cpe:2.3:a:quassel-irc:quassel_irc:0.6.3:*:*:*:*:*:*:*
quassel-irc quassel_irc 0.7.0 cpe:2.3:a:quassel-irc:quassel_irc:0.7.0:*:*:*:*:*:*:*
quassel-irc quassel_irc 0.7.1 cpe:2.3:a:quassel-irc:quassel_irc:0.7.1:*:*:*:*:*:*:*
quassel-irc quassel_irc 0.7.2 cpe:2.3:a:quassel-irc:quassel_irc:0.7.2:*:*:*:*:*:*:*
quassel-irc quassel_irc 0.7.3 cpe:2.3:a:quassel-irc:quassel_irc:0.7.3:*:*:*:*:*:*:*
quassel-irc quassel_irc 0.7.4 cpe:2.3:a:quassel-irc:quassel_irc:0.7.4:*:*:*:*:*:*:*
quassel-irc quassel_irc 0.8.0 cpe:2.3:a:quassel-irc:quassel_irc:0.8.0:*:*:*:*:*:*:*

References for CVE-2013-4422

cvelogic Threat Intelligence