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
Published Jul 13, 2004
5.0
MEDIUMCVSS 2.0
EPSS 1.57%
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.
Affected products
No data.
- 3.1.1
- 3.1.3
- 3.2
- 3.2_.0_beta_10
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:P/I:N/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.57% (0.01569) | 74.44th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.57% (0.01569) | 72.05th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.60% (0.00596) | 67.50th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.78% (0.00775) | 82.03th | v3 (v2023.03.01) |
| Jun 20, 2024 | 0.78% (0.00775) | 81.41th | v3 (v2023.03.01) |
| Jan 19, 2024 | 0.78% (0.00775) | 79.41th | v3 (v2023.03.01) |
| Jun 20, 2023 | 1.01% (0.01007) | 81.56th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.28% (0.01281) | 83.59th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.32% (0.01319) | 71.27th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.32% (0.01319) | 71.23th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.32% (0.01319) | 69.22th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.32% (0.01319) | 44.98th | v2 (v2022.01.01) |
No CWE recorded.
References (6)
- http://marc.info/?l=bugtraq&m=108904813003166&w=2 mailing-listx_refsource_BUGTRAQ
- http://securityreason.com/securityalert/560 third-party-advisoryx_refsource_SREASON
- http://www.bandecon.com/advisory/unreal.txt x_refsource_MISC
- http://www.securityfocus.com/bid/10663 vdb-entryx_refsource_BIDPatchVendor Advisory
- http://www.unrealircd.com/ x_refsource_CONFIRM
- https://exchange.xforce.ibmcloud.com/vulnerabilities/16610 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| http://marc.info/?l=bugtraq&m=108904813003166&w=2 | mailing-listx_refsource_BUGTRAQ | |
| http://securityreason.com/securityalert/560 | third-party-advisoryx_refsource_SREASON | |
| http://www.bandecon.com/advisory/unreal.txt | x_refsource_MISC | |
| http://www.securityfocus.com/bid/10663 | vdb-entryx_refsource_BIDPatchVendor Advisory | |
| http://www.unrealircd.com/ | x_refsource_CONFIRM | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/16610 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.