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CVE-2004-0679
The IP cloaking feature (cloak.c) in UnrealIRCd 3.2, and possibly other versions, uses a weak hashing scheme to hide IP addresses, which…
Medium5.0EPSS 1.6%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
The IP cloaking feature (cloak.c) in UnrealIRCd 3.2, and possibly other versions, uses a weak hashing scheme to hide IP addresses, which could allow remote attackers to use brute force methods to gain other user's IP addresses.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
- EPSS (exploitation in 30 days)
- 1.6% · top 25% of all CVEs (2 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (6)
- 560 (opens in a new tab)third-party-advisoryx_refsource_SREASONx_transferred
- http://www.bandecon.com/advisory/unreal.txt (opens in a new tab)x_refsource_MISCx_transferred
- 20040705 unreal ircd ip cloaking subsystem vulnerability (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- 10663 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- http://www.unrealircd.com/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- unreal-ircd-information-disclosure(16610) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .