Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2001-1056

25
FAUCET Score

CVE-2001-1056 describes a vulnerability in the IRC DCC helper of the ip_masq_irc IP masquerading module 2.2, affecting the Linux kernel. This flaw allows remote attackers to bypass firewall restrictions by tricking the target system into sending a "DCC SEND" request to a malicious server. The vulnerability is rated as High severity (CVSS 7.5), indicating a low attack complexity and potential for partial compromise of confidentiality, integrity, and availability. While there is no known active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered significant community discussion with 10 mentions.

Impacted Technologies

VendorProductVersion(s)CPE
> 2.0.1, <= 2.0.18CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 2.2.0, <= 2.2.18CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.44%
Probability of exploitation in next 30 days
EPSS Percentile
82.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0244 is in the 69th percentile among its peer group of 51,506 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 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

archives.neohapsis.com / archives/bugtraq/2001-07/0733.html
Broken Link
archives.neohapsis.com / archives/bugtraq/2001-07/0750.html
Broken Link
iss.net / security_center/static/6923.php
Broken Link
osvdb.org / 1916
Broken Link
securityfocus.com / bid/3117
Third Party AdvisoryVendor Advisory