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CVE-2003-1377

22
FAUCET Score

CVE-2003-1377 describes a buffer overflow vulnerability in Smart IRC Daemon (SIRCD) versions 0.4.0 and 0.4.4. This flaw allows remote attackers to execute arbitrary code by providing a client with an excessively long hostname during a reverse DNS lookup. With a CVSS score of 8.3, this vulnerability is considered high severity, requiring medium attack complexity but potentially leading to partial confidentiality, partial integrity, and complete availability impacts. There is no evidence of active exploitation, nor are there publicly available exploit modules in Metasploit or Nuclei, and it has received no community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
0.4.0CPE matchmatch criteria
cpe:2.3:a:sircd:sircd:0.4.0:*:*:*:*:*:*:*
0.4.4CPE matchmatch criteria
cpe:2.3:a:sircd:sircd:0.4.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

8.3HIGH

AV:N/AC:M/Au:N/C:P/I:P/A:C

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
8.5
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.88%
Probability of exploitation in next 30 days
EPSS Percentile
85.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0288 is in the 43rd percentile among its peer group of 8,914 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

exchange.xforce.ibmcloud.com / vulnerabilities/11409
securityfocus.com / archive/1/312924
securityfocus.com / bid/6924