CVE-2001-1056 json
IRC DCC helper in the ip_masq_irc IP masquerading module 2.2 allows remote attackers to bypass intended firewall restrictions by causing th…
published 2001-07-30 25 y ago modified 2026-06-16 4 mo ago also EUVD-2001-1037
- cvss
- 7.5
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.4%
- EPSS 2.4% chance of exploitation in 30 days, percentile 84%
- public exploits
- 0
- none known
Summary
IRC DCC helper in the ip_masq_irc IP masquerading module 2.2 allows remote attackers to bypass intended firewall restrictions by causing the target system to send a "DCC SEND" request to a malicious server which listens on port 6667, which may cause the module to believe that the traffic is a valid request and allow the connection to the port specified in the DCC SEND request.
Exploit prediction
2.44% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Classification
- Technology feeds
References
-
securityfocus.com
/bid/3117
vdb-entry, third-party-advisory, vendor-advisory
-
archives.neohapsis.com
/archives/bugtraq/2001-07/0750.html
mailing-list, broken-link
-
archives.neohapsis.com
/archives/bugtraq/2001-07/0733.html
mailing-list, broken-link
-
iss.net
/security_center/static/6923.php
vdb-entry, broken-link
-
osvdb.org
/1916
vdb-entry, broken-link
Sources
- CVE List CVE-2001-1056
- NVD CVE-2001-1056
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.