HIGH
PgBouncer 1.6.x before 1.6.1, when configured with auth_user, allows remote attackers to gain login access as auth_user via an unknown username
Published May 23, 2017
8.1
HIGHCVSS 3.0
EPSS 2.16%
Description
PgBouncer 1.6.x before 1.6.1, when configured with auth_user, allows remote attackers to gain login access as auth_user via an unknown username.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
8.1 HIGH NVD
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
6.8 MEDIUM NVD
AV:N/AC:M/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
2.16% 0.02163
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.02163
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 (13 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.16% (0.02163) | 81.56th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.16% (0.02163) | 79.79th | v5 (v2026.06.15) |
| Mar 30, 2025 | 1.37% (0.01367) | 78.43th | v4 (v2025.03.14) |
| Mar 29, 2025 | 3.27% (0.03270) | 78.42th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.37% (0.01367) | 78.89th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.25% (0.01254) | 86.15th | v3 (v2023.03.01) |
| May 17, 2024 | 1.25% (0.01254) | 85.50th | v3 (v2023.03.01) |
| May 8, 2023 | 1.25% (0.01254) | 83.49th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.89% (0.00889) | 80.13th | 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) |
Weaknesses (1)
References (6)
- http://comments.gmane.org/gmane.comp.db.postgresql.pgbouncer.general/1251 x_refsource_MISCMailing List
- http://www.openwall.com/lists/oss-security/2015/09/05/7 mailing-listx_refsource_MLISTMailing ListPatch
- https://github.com/pgbouncer/pgbouncer/commit/7ca3e5279d05fceb1e8a043c6f5b6f58dea3ed38 x_refsource_CONFIRMPatch
- https://github.com/pgbouncer/pgbouncer/issues/69 x_refsource_CONFIRMIssue TrackingPatch
- https://pgbouncer.github.io/2015/09/pgbouncer-1-6-1 x_refsource_CONFIRMPatchVendor Advisory
- https://security.gentoo.org/glsa/201701-24 vendor-advisoryx_refsource_GENTOOThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| http://comments.gmane.org/gmane.comp.db.postgresql.pgbouncer.general/1251 | x_refsource_MISCMailing List | |
| http://www.openwall.com/lists/oss-security/2015/09/05/7 | mailing-listx_refsource_MLISTMailing ListPatch | |
| https://github.com/pgbouncer/pgbouncer/commit/7ca3e5279d05fceb1e8a043c6f5b6f58dea3ed38 | x_refsource_CONFIRMPatch | |
| https://github.com/pgbouncer/pgbouncer/issues/69 | x_refsource_CONFIRMIssue TrackingPatch | |
| https://pgbouncer.github.io/2015/09/pgbouncer-1-6-1 | x_refsource_CONFIRMPatchVendor Advisory | |
| https://security.gentoo.org/glsa/201701-24 | vendor-advisoryx_refsource_GENTOOThird Party Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner debian
Published May 23, 2017
Updated Aug 6, 2024
Reserved Sep 5, 2015
Link CVE-2015-6817
CISA Vulnrichment
Updated n/a