ipa: Session reuse to unlock the locked user
Published Sep 27, 2017
8.8
HIGHCVSS 3.0
EPSS 1.69%
Description
FreeIPA 4.x with API version 2.213 allows a remote authenticated users to bypass intended account-locking restrictions via an unlock action with an old session ID (for the same user account) that had been created for an earlier session. NOTE: Vendor states that issue does not exist in product and does not recognize this report as a valid security concern
Affected products
No data.
- 4.0.0
- 4.0.1
- 4.0.2
- 4.0.3
- 4.0.4
- 4.0.5
- 4.1.0
- 4.1.1
- 4.1.2
- 4.1.3
- 4.1.4
- 4.2.0
- 4.2.1
- 4.2.2
- 4.2.3
- 4.2.4
- 4.3.0
- 4.3.1
- 4.3.2
- 4.3.3
- 4.4.0
- 4.4.1
- 4.4.2
- 4.4.3
- 4.4.4
- 4.5.0
- 4.5.1
- 4.5.2
- 4.5.3
- 4.6.0
- 4.6.1
-
- Version 2.2.13StatusaffectedConstraints-
- Version
Red Hat Enterprise Linux 6
ipa
Not affected
Red Hat Enterprise Linux 7
ipa
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | ipa | Not affected | n/a |
| Red Hat Enterprise Linux 7 | ipa | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This security issue does not exist in IPA / FreeIPA. FreeIPA server correctly rejects the HTTP request for "user_unlock" method with 401 Unauthorized HTTP code when the attacker tries to reuse an older browser session. Therefore, we do not consider this report as a valid security concern. We have submitted a request to MITRE to reject this CVE ID.
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:H/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
AV:N/AC:L/Au:S/C:P/I:P/A:P
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
NoTechnical Impact
TotalDecision
n/aAssessed Apr 22, 2024 · SSVC 2.0.3
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 v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v5
Table of values (15 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.69% (0.01687) | 76.20th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.69% (0.01687) | 73.97th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.24% (0.00243) | 64.74th | v3 (v2023.03.01) |
| May 7, 2024 | 0.24% (0.00243) | 64.15th | v3 (v2023.03.01) |
| Nov 23, 2023 | 0.24% (0.00243) | 62.14th | v3 (v2023.03.01) |
| May 8, 2023 | 0.26% (0.00258) | 61.98th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.19% (0.00189) | 54.63th | 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) |
| Feb 3, 2022 | 0.52% (0.00523) | 12.55th | v1 |
| Jan 6, 2022 | 0.52% (0.00523) | 12.10th | v1 |
| Sep 1, 2021 | 0.52% (0.00523) | 32.27th | v1 |
| Apr 14, 2021 | 0.52% (0.00523) | 0.00th | v1 |
References (5)
- http://packetstormsecurity.com/files/143532/FreeIPA-2.213-Session-Hijacking.html x_refsource_MISCThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2017-11191 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1475851 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2017-11191
- https://www.cve.org/CVERecord?id=CVE-2017-11191
| Link | Providers | Tags |
|---|---|---|
| http://packetstormsecurity.com/files/143532/FreeIPA-2.213-Session-Hijacking.html | x_refsource_MISCThird Party AdvisoryVDB Entry | |
| https://access.redhat.com/security/cve/CVE-2017-11191 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1475851 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2017-11191 | ||
| https://www.cve.org/CVERecord?id=CVE-2017-11191 |
Change history (0)
No recorded changes yet.