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Vulnerability record · CVE-2018-12596 · published 10 October 2018

CVE-2018-12596: Episerver ektron cms improper privilege management vulnerability

Episerver · Ektron Cms

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).

9.8 CVSS 3.0 Critical EPSS 22% · top 2.4% CWE-269 · Improper privilege management
9.8CVSS 3.0 base score, v2 7.5
22%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References, 6 tagged exploit
17 Jun 2026Last modified by NVD

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).

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://seclists.org/fulldisclosure/2018/Oct/15 ExploitMailing ListMitigationPatchThird Party Advisory
https://github.com/alt3kx/CVE-2018-12596 ExploitPatchThird Party Advisory
https://medium.com/%40alt3kx/ektron-content-management-system-cms-9-20-sp2-remote-re-enabling-users-cve-2018-12596-bdf1e
https://www.exploit-db.com/exploits/45577/ ExploitMitigationPatchThird Party AdvisoryVDB Entry
http://seclists.org/fulldisclosure/2018/Oct/15 ExploitMailing ListMitigationPatchThird Party Advisory
https://github.com/alt3kx/CVE-2018-12596 ExploitPatchThird Party Advisory
https://medium.com/%40alt3kx/ektron-content-management-system-cms-9-20-sp2-remote-re-enabling-users-cve-2018-12596-bdf1e
https://www.exploit-db.com/exploits/45577/ ExploitMitigationPatchThird Party AdvisoryVDB Entry

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2018-12596), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.