CRITICAL
Episerver Ektron CMS before 9.0 SP3 Site CU 31, 9.1 before SP3 Site CU 45, or 9.2 before SP2 Site CU 22 allows remote attackers to call aspx pages via the "activateuser.aspx" page, even if a page is located under the /WorkArea/ path, which is forbidden (normally available exclusively for local admins)
Published Oct 10, 2018
9.8
CRITICALCVSS 3.0
EPSS 22.38%
Description
Episerver Ektron CMS before 9.0 SP3 Site CU 31, 9.1 before SP3 Site CU 45, or 9.2 before SP2 Site CU 22 allows remote attackers to call aspx pages via the "activateuser.aspx" page, even if a page is located under the /WorkArea/ path, which is forbidden (normally available exclusively for local admins).
Affected products
No data.
OR
- 9.00
- 9.00
- 9.00
- 9.10
- 9.10
- 9.10
- 9.20
- 9.20
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.
9.8 CRITICAL NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
7.5 HIGH NVD
AV:N/AC:L/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Low
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.
22.38% 0.22379
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.22379
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 (73 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 22.38% (0.22379) | 97.63th | v5 (v2026.06.15) |
| Sep 22, 2026 | 22.38% (0.22379) | 97.58th | v5 (v2026.06.15) |
| Sep 21, 2026 | 15.63% (0.15630) | 96.74th | v5 (v2026.06.15) |
| Sep 6, 2026 | 22.38% (0.22379) | 97.53th | v5 (v2026.06.15) |
| Sep 5, 2026 | 15.63% (0.15630) | 96.67th | v5 (v2026.06.15) |
| Aug 30, 2026 | 22.38% (0.22379) | 97.52th | v5 (v2026.06.15) |
| Aug 28, 2026 | 15.63% (0.15630) | 96.65th | v5 (v2026.06.15) |
| Aug 24, 2026 | 22.38% (0.22379) | 97.50th | v5 (v2026.06.15) |
| Aug 23, 2026 | 15.63% (0.15630) | 96.63th | v5 (v2026.06.15) |
| Jun 15, 2026 | 22.38% (0.22379) | 97.39th | v5 (v2026.06.15) |
| Apr 26, 2026 | 40.77% (0.40770) | 97.38th | v4 (v2025.03.14) |
| Mar 4, 2026 | 47.92% (0.47919) | 97.65th | v4 (v2025.03.14) |
| Mar 1, 2026 | 43.75% (0.43746) | 97.47th | v4 (v2025.03.14) |
| Feb 4, 2026 | 47.92% (0.47919) | 97.63th | v4 (v2025.03.14) |
| Feb 1, 2026 | 43.75% (0.43746) | 97.44th | v4 (v2025.03.14) |
| Jan 7, 2026 | 47.92% (0.47919) | 97.61th | v4 (v2025.03.14) |
| Jan 4, 2026 | 51.64% (0.51637) | 97.79th | v4 (v2025.03.14) |
| Jan 1, 2026 | 48.37% (0.48371) | 97.65th | v4 (v2025.03.14) |
| Dec 4, 2025 | 51.64% (0.51637) | 97.76th | v4 (v2025.03.14) |
| Dec 1, 2025 | 48.37% (0.48371) | 97.62th | v4 (v2025.03.14) |
| Nov 21, 2025 | 51.64% (0.51637) | 97.76th | v4 (v2025.03.14) |
| Nov 18, 2025 | 65.69% (0.65688) | 98.50th | v4 (v2025.03.14) |
| Nov 4, 2025 | 51.64% (0.51637) | 97.75th | v4 (v2025.03.14) |
| Nov 1, 2025 | 48.37% (0.48371) | 97.63th | v4 (v2025.03.14) |
| Oct 28, 2025 | 51.64% (0.51637) | 97.74th | v4 (v2025.03.14) |
| Oct 4, 2025 | 54.53% (0.54526) | 97.95th | v4 (v2025.03.14) |
| Oct 1, 2025 | 51.32% (0.51319) | 97.81th | v4 (v2025.03.14) |
| Sep 10, 2025 | 54.53% (0.54526) | 97.95th | v4 (v2025.03.14) |
| Sep 5, 2025 | 58.17% (0.58173) | 98.12th | v4 (v2025.03.14) |
| Sep 1, 2025 | 55.08% (0.55078) | 97.98th | v4 (v2025.03.14) |
| Aug 4, 2025 | 58.17% (0.58173) | 98.09th | v4 (v2025.03.14) |
| Aug 1, 2025 | 55.08% (0.55078) | 97.96th | v4 (v2025.03.14) |
| Jul 5, 2025 | 58.56% (0.58556) | 98.08th | v4 (v2025.03.14) |
| Jul 1, 2025 | 55.47% (0.55475) | 97.94th | v4 (v2025.03.14) |
| Jun 4, 2025 | 58.56% (0.58556) | 98.06th | v4 (v2025.03.14) |
| Jun 1, 2025 | 55.47% (0.55475) | 97.93th | v4 (v2025.03.14) |
| May 5, 2025 | 58.56% (0.58556) | 98.05th | v4 (v2025.03.14) |
| May 1, 2025 | 55.47% (0.55475) | 97.92th | v4 (v2025.03.14) |
| Apr 15, 2025 | 58.56% (0.58556) | 98.03th | v4 (v2025.03.14) |
| Apr 14, 2025 | 55.47% (0.55475) | 97.88th | v4 (v2025.03.14) |
| Mar 30, 2025 | 58.56% (0.58556) | 98.02th | v4 (v2025.03.14) |
| Mar 29, 2025 | 63.12% (0.63119) | 97.72th | v4 (v2025.03.14) |
| Mar 28, 2025 | 58.56% (0.58556) | 98.02th | v4 (v2025.03.14) |
| Mar 27, 2025 | 63.12% (0.63119) | 98.16th | v4 (v2025.03.14) |
| Mar 24, 2025 | 58.56% (0.58556) | 98.04th | v4 (v2025.03.14) |
| Mar 23, 2025 | 55.47% (0.55475) | 97.80th | v4 (v2025.03.14) |
| Mar 20, 2025 | 58.56% (0.58556) | 98.05th | v4 (v2025.03.14) |
| Mar 19, 2025 | 63.10% (0.63099) | 98.20th | v4 (v2025.03.14) |
| Mar 18, 2025 | 58.56% (0.58556) | 98.02th | v4 (v2025.03.14) |
| Mar 17, 2025 | 55.47% (0.55475) | 97.84th | v4 (v2025.03.14) |
| Dec 17, 2024 | 48.52% (0.48521) | 97.57th | v3 (v2023.03.01) |
| Sep 19, 2024 | 44.49% (0.44491) | 97.44th | v3 (v2023.03.01) |
| Jul 25, 2024 | 41.84% (0.41841) | 97.35th | v3 (v2023.03.01) |
| May 29, 2024 | 43.05% (0.43046) | 97.34th | v3 (v2023.03.01) |
| May 5, 2024 | 38.89% (0.38887) | 97.22th | v3 (v2023.03.01) |
| Apr 11, 2024 | 37.04% (0.37038) | 97.11th | v3 (v2023.03.01) |
| Mar 2, 2024 | 43.05% (0.43046) | 97.23th | v3 (v2023.03.01) |
| Jan 19, 2024 | 50.12% (0.50116) | 97.23th | v3 (v2023.03.01) |
| Nov 8, 2023 | 70.93% (0.70930) | 97.71th | v3 (v2023.03.01) |
| Oct 22, 2023 | 86.46% (0.86457) | 98.23th | v3 (v2023.03.01) |
| Oct 4, 2023 | 92.81% (0.92806) | 98.70th | v3 (v2023.03.01) |
| Sep 19, 2023 | 92.20% (0.92199) | 98.60th | v3 (v2023.03.01) |
| Sep 1, 2023 | 93.33% (0.93328) | 98.72th | v3 (v2023.03.01) |
| Aug 16, 2023 | 94.77% (0.94770) | 98.93th | v3 (v2023.03.01) |
| Jul 31, 2023 | 95.72% (0.95721) | 99.15th | v3 (v2023.03.01) |
| Jun 7, 2023 | 95.82% (0.95817) | 99.13th | v3 (v2023.03.01) |
| Mar 7, 2023 | 96.03% (0.96034) | 99.09th | v3 (v2023.03.01) |
| Mar 6, 2023 | 33.20% (0.33195) | 97.65th | v2 (v2022.01.01) |
| Feb 4, 2022 | 33.20% (0.33195) | 96.59th | v2 (v2022.01.01) |
| Feb 3, 2022 | 5.60% (0.05603) | 80.32th | v1 |
| Jan 6, 2022 | 5.60% (0.05603) | 80.12th | v1 |
| Sep 1, 2021 | 5.60% (0.05603) | 88.66th | v1 |
| Apr 14, 2021 | 5.60% (0.05603) | 0.00th | v1 |
Weaknesses (1)
References (4)
- http://seclists.org/fulldisclosure/2018/Oct/15 mailing-listx_refsource_FULLDISCExploitMailing ListMitigationPatchThird Party Advisory
- https://github.com/alt3kx/CVE-2018-12596 x_refsource_MISCExploitPatchThird Party Advisory
- https://medium.com/%40alt3kx/ektron-content-management-system-cms-9-20-sp2-remote-re-enabling-users-cve-2018-12596-bdf1e3a05158 x_refsource_MISC
- https://www.exploit-db.com/exploits/45577/ exploitx_refsource_EXPLOIT-DBMitigationPatchThird Party AdvisoryVDB Entry
| Link | Providers | Tags |
|---|---|---|
| http://seclists.org/fulldisclosure/2018/Oct/15 | mailing-listx_refsource_FULLDISCExploitMailing ListMitigationPatchThird Party Advisory | |
| https://github.com/alt3kx/CVE-2018-12596 | x_refsource_MISCExploitPatchThird Party Advisory | |
| https://medium.com/%40alt3kx/ektron-content-management-system-cms-9-20-sp2-remote-re-enabling-users-cve-2018-12596-bdf1e3a05158 | x_refsource_MISC | |
| https://www.exploit-db.com/exploits/45577/ | exploitx_refsource_EXPLOIT-DBMitigationPatchThird Party AdvisoryVDB Entry |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Oct 10, 2018
Updated Aug 5, 2024
Reserved Jun 20, 2018
Link CVE-2018-12596
CISA Vulnrichment
Updated n/a