libpam4j: Account check bypass
Published Jan 18, 2018
6.5
MEDIUMCVSS 3.0
EPSS 1.51%
Description
It was found that libpam4j up to and including 1.8 did not properly validate user accounts when authenticating. A user with a valid password for a disabled account would be able to bypass security restrictions and possibly access sensitive information.
Affected products
-
- Version up to and including 1.8StatusaffectedConstraints-
- 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 | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Red Hat, Inc. | Libpam4j | n/a |
|
Configuration 1
- ≤ 1.8
Configuration 2
- 7.0
- 8.0
- 9.0
- 6.0
No data.
Red Hat Single Sign-On 7.1
n/a
Fixed · RHSA-2017:2906
Red Hat Single Sign-On 7.1 for RHEL 6
rh-sso7-keycloak-0:2.5.14-1.Final_redhat_1.1.jbcs.el6
Fixed · RHSA-2017:2904
Red Hat Single Sign-On 7.1 for RHEL 7
rh-sso7-keycloak-0:2.5.14-1.Final_redhat_1.1.jbcs.el7
Fixed · RHSA-2017:2905
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Single Sign-On 7.1 | n/a | Fixed | RHSA-2017:2906 |
| Red Hat Single Sign-On 7.1 for RHEL 6 | rh-sso7-keycloak-0:2.5.14-1.Final_redhat_1.1.jbcs.el6 | Fixed | RHSA-2017:2904 |
| Red Hat Single Sign-On 7.1 for RHEL 7 | rh-sso7-keycloak-0:2.5.14-1.Final_redhat_1.1.jbcs.el7 | Fixed | RHSA-2017:2905 |
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:L/UI:N/S:U/C:H/I:N/A:N
1 other source (Red Hat) ▾
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
AV:N/AC:L/Au:S/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 3, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 1.51% (0.01511) | 73.57th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.54% (0.01540) | 71.58th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.45% (0.00450) | 61.55th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.20% (0.00198) | 58.69th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.20% (0.00198) | 56.96th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.43% (0.00426) | 70.36th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.03% (0.01034) | 41.69th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.03% (0.01034) | 20.32th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.45% (0.01454) | 32.67th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.45% (0.01454) | 0.00th | v1 |
References (12)
- https://access.redhat.com/errata/RHSA-2017:2904 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2017:2905 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2017:2906 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2017-12197 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1503103 x_refsource_CONFIRMIssue TrackingThird Party Advisory
- https://github.com/advisories/GHSA-x9rg-q5fx-fx66 Advisory
- https://github.com/kohsuke/libpam4j/commit/02ffdff218283629ba4a902e7fe2fd44646abc21
- https://github.com/kohsuke/libpam4j/issues/18
- https://lists.debian.org/debian-lts-announce/2017/11/msg00008.html mailing-listx_refsource_MLISTThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2017-12197
- https://www.cve.org/CVERecord?id=CVE-2017-12197
- https://www.debian.org/security/2017/dsa-4025 vendor-advisoryx_refsource_DEBIANThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/errata/RHSA-2017:2904 | vendor-advisoryx_refsource_REDHATThird Party Advisory | |
| https://access.redhat.com/errata/RHSA-2017:2905 | vendor-advisoryx_refsource_REDHATThird Party Advisory | |
| https://access.redhat.com/errata/RHSA-2017:2906 | vendor-advisoryx_refsource_REDHATThird Party Advisory | |
| https://access.redhat.com/security/cve/CVE-2017-12197 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1503103 | x_refsource_CONFIRMIssue TrackingThird Party Advisory | |
| https://github.com/advisories/GHSA-x9rg-q5fx-fx66 | Advisory | |
| https://github.com/kohsuke/libpam4j/commit/02ffdff218283629ba4a902e7fe2fd44646abc21 | ||
| https://github.com/kohsuke/libpam4j/issues/18 | ||
| https://lists.debian.org/debian-lts-announce/2017/11/msg00008.html | mailing-listx_refsource_MLISTThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2017-12197 | ||
| https://www.cve.org/CVERecord?id=CVE-2017-12197 | ||
| https://www.debian.org/security/2017/dsa-4025 | vendor-advisoryx_refsource_DEBIANThird Party Advisory |
Change history (0)
No recorded changes yet.