How severe is CVE-2013-1747?

CVE-2013-1747 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2013-1747 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-1747?

CVE-2013-1747 primarily affects Ngircd. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-1747?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2013-1747 published?

CVE-2013-1747 was published on 2013-03-28 and last updated on 2026-06-16.

CVE-2013-1747

CVE-2013-1747 is a medium-severity vulnerability in Ngircd with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 3% (84th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Ngircd
Published: 2013-03-28
Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2013-1747?: CVE-2013-1747 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2013-1747 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-1747?: CVE-2013-1747 primarily affects Ngircd. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-1747?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-1747 published?: CVE-2013-1747 was published on 2013-03-28 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:ngircd:ngircd:20:*:*:*:*:*:*:*
cpe:2.3:a:ngircd:ngircd:20.1:*:*:*:*:*:*:*

More vulnerabilities in Ngircd

CVE-2005-0226 — High (CVSS 7.5): Format string vulnerability in the Log_Resolver function in log.c for ngIRCd 0.8.2 and earlier, when compiled with…
CVE-2008-0285 — Medium (CVSS 5.0): ngIRCd 0.10.x before 0.10.4 and 0.11.0 before 0.11.0-pre2 allows remote attackers to cause a denial of service (crash)…
CVE-2007-6062 — Medium (CVSS 5.0): irc-channel.c in ngIRCd before 0.10.3 allows remote attackers to cause a denial of service (crash) via a JOIN command…
CVE-2009-4652 — Low (CVSS 2.6): The (1) Conn_GetCipherInfo and (2) Conn_UsesSSL functions in src/ngircd/conn.c in ngIRCd 13 and 14, when SSL/TLS…

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