postgresql: Empty password accepted in some authentication methods
Published Aug 16, 2017
9.8
CRITICALCVSS 3.0
EPSS 61.57%
Description
PostgreSQL versions before 9.2.22, 9.3.18, 9.4.13, 9.5.8 and 9.6.4 are vulnerable to incorrect authentication flaw allowing remote attackers to gain access to database accounts with an empty password.
Affected products
-
- Version 9.2.x before 9.2.22StatusaffectedConstraints-
- Version 9.3.x before 9.3.18StatusaffectedConstraints-
- Version 9.4.x before 9.4.13StatusaffectedConstraints-
- Version 9.5.x before 9.5.8StatusaffectedConstraints-
- Version 9.6.x before 9.6.4StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PostgreSQL | PostgreSQL | n/a |
|
Configuration 1
- 9.2
- 9.2.1
- 9.2.2
- 9.2.3
- 9.2.4
- 9.2.5
- 9.2.6
- 9.2.7
- 9.2.8
- 9.2.9
- 9.2.10
- 9.2.11
- 9.2.12
- 9.2.13
- 9.2.14
- 9.2.15
- 9.2.16
- 9.2.17
- 9.2.18
- 9.2.19
- 9.2.20
- 9.2.21
Configuration 2
- 9.3
- 9.3.1
- 9.3.2
- 9.3.3
- 9.3.4
- 9.3.5
- 9.3.6
- 9.3.7
- 9.3.8
- 9.3.9
- 9.3.10
- 9.3.11
- 9.3.12
- 9.3.13
- 9.3.14
- 9.3.15
- 9.3.16
- 9.3.17
Configuration 3
- 9.4
- 9.4.1
- 9.4.2
- 9.4.3
- 9.4.4
- 9.4.5
- 9.4.6
- 9.4.7
- 9.4.8
- 9.4.9
- 9.4.10
- 9.4.11
- 9.4.12
Configuration 4
- 9.5
- 9.5.1
- 9.5.2
- 9.5.3
- 9.5.4
- 9.5.5
- 9.5.6
- 9.5.7
Configuration 5
- 9.6
- 9.6.1
- 9.6.2
- 9.6.3
Configuration 6
- 9.0
No data.
Red Hat Enterprise Linux 6
postgresql-0:8.4.20-8.el6_9
Fixed · RHSA-2017:2860
Red Hat Enterprise Linux 7
postgresql-0:9.2.23-1.el7_4
Fixed · RHSA-2017:2728
Red Hat Software Collections for Red Hat Enterprise Linux 6
rh-postgresql94-postgresql-0:9.4.14-1.el6
Fixed · RHSA-2017:2678
Red Hat Software Collections for Red Hat Enterprise Linux 6
rh-postgresql95-postgresql-0:9.5.9-1.el6
Fixed · RHSA-2017:2677
Red Hat Software Collections for Red Hat Enterprise Linux 6.7 EUS
rh-postgresql94-postgresql-0:9.4.14-1.el6
Fixed · RHSA-2017:2678
Red Hat Software Collections for Red Hat Enterprise Linux 6.7 EUS
rh-postgresql95-postgresql-0:9.5.9-1.el6
Fixed · RHSA-2017:2677
Red Hat Software Collections for Red Hat Enterprise Linux 7
rh-postgresql94-postgresql-0:9.4.14-1.el7
Fixed · RHSA-2017:2678
Red Hat Software Collections for Red Hat Enterprise Linux 7
rh-postgresql95-postgresql-0:9.5.9-1.el7
Fixed · RHSA-2017:2677
Red Hat Software Collections for Red Hat Enterprise Linux 7.3 EUS
rh-postgresql94-postgresql-0:9.4.14-1.el7
Fixed · RHSA-2017:2678
Red Hat Software Collections for Red Hat Enterprise Linux 7.3 EUS
rh-postgresql95-postgresql-0:9.5.9-1.el7
Fixed · RHSA-2017:2677
CloudForms Management Engine 5
rh-postgresql94-postgresql
Not affected
CloudForms Management Engine 5
rh-postgresql95-postgresql
Not affected
Red Hat Enterprise Linux 5
postgresql
Will not fix
Red Hat Enterprise Linux 5
postgresql84
Will not fix
Red Hat Satellite 5
postgresql92-postgresql
Affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | postgresql-0:8.4.20-8.el6_9 | Fixed | RHSA-2017:2860 |
| Red Hat Enterprise Linux 7 | postgresql-0:9.2.23-1.el7_4 | Fixed | RHSA-2017:2728 |
| Red Hat Software Collections for Red Hat Enterprise Linux 6 | rh-postgresql94-postgresql-0:9.4.14-1.el6 | Fixed | RHSA-2017:2678 |
| Red Hat Software Collections for Red Hat Enterprise Linux 6 | rh-postgresql95-postgresql-0:9.5.9-1.el6 | Fixed | RHSA-2017:2677 |
| Red Hat Software Collections for Red Hat Enterprise Linux 6.7 EUS | rh-postgresql94-postgresql-0:9.4.14-1.el6 | Fixed | RHSA-2017:2678 |
| Red Hat Software Collections for Red Hat Enterprise Linux 6.7 EUS | rh-postgresql95-postgresql-0:9.5.9-1.el6 | Fixed | RHSA-2017:2677 |
| Red Hat Software Collections for Red Hat Enterprise Linux 7 | rh-postgresql94-postgresql-0:9.4.14-1.el7 | Fixed | RHSA-2017:2678 |
| Red Hat Software Collections for Red Hat Enterprise Linux 7 | rh-postgresql95-postgresql-0:9.5.9-1.el7 | Fixed | RHSA-2017:2677 |
| Red Hat Software Collections for Red Hat Enterprise Linux 7.3 EUS | rh-postgresql94-postgresql-0:9.4.14-1.el7 | Fixed | RHSA-2017:2678 |
| Red Hat Software Collections for Red Hat Enterprise Linux 7.3 EUS | rh-postgresql95-postgresql-0:9.5.9-1.el7 | Fixed | RHSA-2017:2677 |
| CloudForms Management Engine 5 | rh-postgresql94-postgresql | Not affected | n/a |
| CloudForms Management Engine 5 | rh-postgresql95-postgresql | Not affected | n/a |
| Red Hat Enterprise Linux 5 | postgresql | Will not fix | n/a |
| Red Hat Enterprise Linux 5 | postgresql84 | Will not fix | n/a |
| Red Hat Satellite 5 | postgresql92-postgresql | Affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
Red Hat Satellite 5 are is in Production 3 Phase of the support and maintenance life cycle. This has been rated as having Moderate security impact and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.
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
1 other source (Red Hat) ▾
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
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
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (70 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 61.57% (0.61566) | 99.15th | v5 (v2026.06.15) |
| Sep 22, 2026 | 61.57% (0.61566) | 99.13th | v5 (v2026.06.15) |
| Sep 21, 2026 | 56.71% (0.56712) | 99.04th | v5 (v2026.06.15) |
| Sep 6, 2026 | 61.57% (0.61566) | 99.11th | v5 (v2026.06.15) |
| Sep 5, 2026 | 56.71% (0.56712) | 99.02th | v5 (v2026.06.15) |
| Aug 30, 2026 | 61.57% (0.61566) | 99.11th | v5 (v2026.06.15) |
| Aug 28, 2026 | 56.71% (0.56712) | 99.02th | v5 (v2026.06.15) |
| Aug 24, 2026 | 61.57% (0.61566) | 99.10th | v5 (v2026.06.15) |
| Aug 23, 2026 | 56.71% (0.56712) | 99.01th | v5 (v2026.06.15) |
| Jun 15, 2026 | 61.57% (0.61566) | 99.05th | v5 (v2026.06.15) |
| Mar 11, 2026 | 33.12% (0.33122) | 96.83th | v4 (v2025.03.14) |
| Mar 4, 2026 | 31.12% (0.31120) | 96.66th | v4 (v2025.03.14) |
| Mar 1, 2026 | 13.25% (0.13252) | 94.04th | v4 (v2025.03.14) |
| Feb 7, 2026 | 31.12% (0.31120) | 96.62th | v4 (v2025.03.14) |
| Feb 4, 2026 | 32.82% (0.32824) | 96.76th | v4 (v2025.03.14) |
| Feb 1, 2026 | 14.23% (0.14231) | 94.24th | v4 (v2025.03.14) |
| Jan 28, 2026 | 32.82% (0.32824) | 96.76th | v4 (v2025.03.14) |
| Jan 25, 2026 | 34.87% (0.34869) | 96.90th | v4 (v2025.03.14) |
| Jan 4, 2026 | 33.12% (0.33122) | 96.74th | v4 (v2025.03.14) |
| Jan 1, 2026 | 14.21% (0.14211) | 94.21th | v4 (v2025.03.14) |
| Dec 24, 2025 | 33.12% (0.33122) | 96.73th | v4 (v2025.03.14) |
| Dec 18, 2025 | 34.87% (0.34869) | 96.86th | v4 (v2025.03.14) |
| Dec 14, 2025 | 39.46% (0.39458) | 97.14th | v4 (v2025.03.14) |
| Dec 10, 2025 | 33.20% (0.33198) | 96.72th | v4 (v2025.03.14) |
| Dec 4, 2025 | 34.95% (0.34947) | 96.84th | v4 (v2025.03.14) |
| Dec 1, 2025 | 15.29% (0.15293) | 94.40th | v4 (v2025.03.14) |
| Nov 27, 2025 | 34.95% (0.34947) | 96.84th | v4 (v2025.03.14) |
| Nov 21, 2025 | 33.20% (0.33198) | 96.71th | v4 (v2025.03.14) |
| Nov 18, 2025 | 50.31% (0.50314) | 97.71th | v4 (v2025.03.14) |
| Nov 4, 2025 | 33.20% (0.33198) | 96.69th | v4 (v2025.03.14) |
| Nov 1, 2025 | 14.26% (0.14255) | 94.15th | v4 (v2025.03.14) |
| Oct 4, 2025 | 33.20% (0.33198) | 96.76th | v4 (v2025.03.14) |
| Oct 1, 2025 | 14.26% (0.14255) | 94.19th | v4 (v2025.03.14) |
| Sep 5, 2025 | 33.20% (0.33198) | 96.77th | v4 (v2025.03.14) |
| Sep 1, 2025 | 14.26% (0.14255) | 94.18th | v4 (v2025.03.14) |
| Aug 5, 2025 | 32.90% (0.32904) | 96.71th | v4 (v2025.03.14) |
| Aug 1, 2025 | 14.84% (0.14844) | 94.28th | v4 (v2025.03.14) |
| Jul 30, 2025 | 32.90% (0.32904) | 96.71th | v4 (v2025.03.14) |
| Jul 4, 2025 | 30.42% (0.30422) | 96.47th | v4 (v2025.03.14) |
| Jul 1, 2025 | 13.38% (0.13382) | 93.89th | v4 (v2025.03.14) |
| Jun 25, 2025 | 30.42% (0.30422) | 96.45th | v4 (v2025.03.14) |
| Jun 19, 2025 | 32.11% (0.32110) | 96.58th | v4 (v2025.03.14) |
| Jun 15, 2025 | 30.28% (0.30281) | 96.42th | v4 (v2025.03.14) |
| Jun 14, 2025 | 28.64% (0.28639) | 96.27th | v4 (v2025.03.14) |
| Jun 10, 2025 | 34.26% (0.34259) | 96.76th | v4 (v2025.03.14) |
| Jun 1, 2025 | 16.76% (0.16757) | 94.62th | v4 (v2025.03.14) |
| May 17, 2025 | 34.26% (0.34259) | 96.75th | v4 (v2025.03.14) |
| May 5, 2025 | 21.60% (0.21603) | 95.34th | v4 (v2025.03.14) |
| May 1, 2025 | 7.06% (0.07062) | 91.03th | v4 (v2025.03.14) |
| Apr 10, 2025 | 21.60% (0.21603) | 95.24th | v4 (v2025.03.14) |
| Apr 2, 2025 | 15.60% (0.15596) | 94.13th | v4 (v2025.03.14) |
| Apr 1, 2025 | 5.06% (0.05057) | 88.80th | v4 (v2025.03.14) |
| Mar 30, 2025 | 15.60% (0.15596) | 94.12th | v4 (v2025.03.14) |
| Mar 29, 2025 | 25.56% (0.25565) | 93.92th | v4 (v2025.03.14) |
| Mar 28, 2025 | 15.60% (0.15596) | 94.13th | v4 (v2025.03.14) |
| Mar 27, 2025 | 5.06% (0.05057) | 88.33th | v4 (v2025.03.14) |
| Mar 18, 2025 | 15.60% (0.15596) | 94.22th | v4 (v2025.03.14) |
| Mar 17, 2025 | 5.06% (0.05057) | 89.03th | v4 (v2025.03.14) |
| Dec 17, 2024 | 14.35% (0.14348) | 95.70th | v3 (v2023.03.01) |
| Nov 20, 2023 | 28.01% (0.28005) | 96.35th | v3 (v2023.03.01) |
| Oct 12, 2023 | 34.70% (0.34697) | 96.60th | v3 (v2023.03.01) |
| Mar 12, 2023 | 36.29% (0.36288) | 96.49th | v3 (v2023.03.01) |
| Mar 7, 2023 | 43.91% (0.43910) | 96.75th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.17% (0.02172) | 80.77th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.17% (0.02172) | 78.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.17% (0.02172) | 57.73th | v2 (v2022.01.01) |
| Feb 3, 2022 | 2.84% (0.02844) | 63.13th | v1 |
| Jan 6, 2022 | 2.84% (0.02844) | 62.79th | v1 |
| Sep 1, 2021 | 2.84% (0.02844) | 80.55th | v1 |
| Apr 14, 2021 | 2.84% (0.02844) | 0.00th | v1 |
References (14)
- http://www.debian.org/security/2017/dsa-3935 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- http://www.debian.org/security/2017/dsa-3936 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- http://www.securityfocus.com/bid/100278 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1039142 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2017:2677 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2017:2678 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2017:2728 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2017:2860 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2017-7546 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1477184 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2017-7546
- https://security.gentoo.org/glsa/201710-06 vendor-advisoryx_refsource_GENTOOThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2017-7546
- https://www.postgresql.org/about/news/1772/ x_refsource_CONFIRMVendor Advisory
Change history (0)
No recorded changes yet.