CVE-2013-1747

channel.c in ngIRCd 20 and 20.1 allows remote attackers to cause a denial of service (assertion failure and crash) via a KICK command for a user who is not on the associated channel.

Published: 2013-03-28 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2013-1747 is rated Moderate Risk (50.7/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.71%). EPSS rose +1.33% 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-2013-1747

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 1.38% 2.71% +1.33%
2 2025-03-30 1.80% 1.38% -0.41%
3 2025-03-29 — 1.80% —

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2013-1747

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2013-1747

OS Trackers for CVE-2013-1747

vendor priority summary link
debian unimportant CVE-2013-1747 unimportant priority: Debian including 1 source packages (ngircd), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2013-1747
ubuntu medium CVE-2013-1747 medium priority: Ubuntu including 1 source packages (ngircd), 6 status rows across 6 suites (hardy, lucid, oneiric, precise, quantal, upstream): not-affected 5, released 1. https://ubuntu.com/security/CVE-2013-1747

Affected software / configurations for CVE-2013-1747

Vendor Product Version Raw CPE
ngircd ngircd 20 cpe:2.3:a:ngircd:ngircd:20:*:*:*:*:*:*:*
ngircd ngircd 20.1 cpe:2.3:a:ngircd:ngircd:20.1:*:*:*:*:*:*:*

References for CVE-2013-1747

cvelogic Threat Intelligence