The m_authenticate function in ircd/m_authenticate.c in nefarious2 allows remote attackers to spoof certificate fingerprints and consequently log in as another user via a crafted AUTHENTICATE parameter
Published Mar 7, 2017
9.8
CRITICALCVSS 3.0
EPSS 0.89%
Description
The m_authenticate function in ircd/m_authenticate.c in nefarious2 allows remote attackers to spoof certificate fingerprints and consequently log in as another user via a crafted AUTHENTICATE parameter.
Affected products
No data.
- 2.0
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:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AV:N/AC:L/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 (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.89% (0.00887) | 57.81th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.89% (0.00887) | 54.41th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.36% (0.00361) | 56.12th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.27% (0.00273) | 68.84th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.27% (0.00273) | 67.06th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.27% (0.00273) | 62.86th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.05% (0.01055) | 52.13th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.05% (0.01055) | 50.47th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.05% (0.01055) | 48.43th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.05% (0.01055) | 27.52th | v2 (v2022.01.01) |
References (2)
- http://www.openwall.com/lists/oss-security/2016/09/05/9 mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory
- https://github.com/evilnet/nefarious2/commit/f50a84bad996d438e7b31b9e74c32a41e43f8be5 x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.openwall.com/lists/oss-security/2016/09/05/9 | mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory | |
| https://github.com/evilnet/nefarious2/commit/f50a84bad996d438e7b31b9e74c32a41e43f8be5 | x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory |
Change history (0)
No recorded changes yet.