The m_authenticate function in modules/m_sasl.c in UnrealIRCd before 3.2.10.7 and 4.x before 4.0.6 allows remote attackers to spoof certificate fingerprints and consequently log in as another user via a crafted AUTHENTICATE parameter
Published Jan 18, 2017
8.1
HIGHCVSS 3.0
EPSS 1.28%
Description
The m_authenticate function in modules/m_sasl.c in UnrealIRCd before 3.2.10.7 and 4.x before 4.0.6 allows remote attackers to spoof certificate fingerprints and consequently log in as another user via a crafted AUTHENTICATE parameter.
Affected products
No data.
Configuration 1
- ≤ 3.2.10.5
Configuration 2
- 4.0.0
- 4.0.1
- 4.0.2
- 4.0.3
- 4.0.3.1
- 4.0.4
- 4.0.5
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.
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
AV:N/AC:M/Au:N/C:P/I:P/A:P
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 | 1.28% (0.01281) | 68.97th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.27% (0.01270) | 65.90th | v5 (v2026.06.15) |
| Mar 30, 2025 | 2.39% (0.02386) | 83.57th | v4 (v2025.03.14) |
| Mar 29, 2025 | 4.50% (0.04499) | 81.50th | v4 (v2025.03.14) |
| Mar 17, 2025 | 2.39% (0.02386) | 83.91th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.85% (0.00852) | 82.92th | v3 (v2023.03.01) |
| Feb 9, 2024 | 0.85% (0.00852) | 81.67th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.85% (0.00852) | 79.67th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.21% (0.01213) | 66.61th | v2 (v2022.01.01) |
| Feb 17, 2023 | 1.21% (0.01213) | 66.22th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.21% (0.01213) | 64.21th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.21% (0.01213) | 40.54th | v2 (v2022.01.01) |
References (5)
- http://www.openwall.com/lists/oss-security/2016/09/04/3 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/09/05/8 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- http://www.securityfocus.com/bid/92763 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://forums.unrealircd.org/viewtopic.php?f=1&t=8588 x_refsource_CONFIRMVendor Advisory
- https://github.com/unrealircd/unrealircd/commit/f473e355e1dc422c4f019dbf86bc50ba1a34a766 x_refsource_CONFIRMPatch
| Link | Providers | Tags |
|---|---|---|
| http://www.openwall.com/lists/oss-security/2016/09/04/3 | mailing-listx_refsource_MLISTMailing ListThird Party Advisory | |
| http://www.openwall.com/lists/oss-security/2016/09/05/8 | mailing-listx_refsource_MLISTMailing ListThird Party Advisory | |
| http://www.securityfocus.com/bid/92763 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://forums.unrealircd.org/viewtopic.php?f=1&t=8588 | x_refsource_CONFIRMVendor Advisory | |
| https://github.com/unrealircd/unrealircd/commit/f473e355e1dc422c4f019dbf86bc50ba1a34a766 | x_refsource_CONFIRMPatch |
Change history (0)
No recorded changes yet.