THREATPORT/VULNERABILITY/CVE-2005-0199
CRITICAL SEVERITY

CVE-2005-0199

Ngircd vulnerability

CVSS
9.8
EPSS
18.8%
EPSS pct
97th
Exploited
No known
Integer underflow in the Lists_MakeMask() function in lists.c in ngIRCd before 0.8.2 allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a long MODE line that causes an incorrect length calculation, which leads to a buffer overflow.
Affected vendor
Barton
Affected product
Ngircd
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
Published
2005-05-02

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 18.8% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 97% of all scored CVEs.

Check your external exposure to CVE-2005-0199

  • Confirm whether Barton Ngircd is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2005-0199.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2005-0199

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2005-0199 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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