CVE-2018-12596 in the critical feed json
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 asp…
published 2018-10-10 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-4555
- cvss
- 9.8
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 22.4%
- EPSS 22.4% chance of exploitation in 30 days, percentile 97%
- public exploits
- 1
- Exploit-DB
Summary
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).
Patch / fix
- exploit-db.com/exploits/45577/ advisory
- seclists.org/fulldisclosure/2018/Oct/15 advisory
- github.com/alt3kx/CVE-2018-12596 advisory
Timeline
- First public exploit (EDB-45577)
- Published
Exploit prediction
22.38% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- EDB-45577 Ektron CMS 9.20 SP2 - Improper Access Restrictions webapps, 2018-10-10
- seclists.org http://seclists.org/fulldisclosure/2018/Oct/15 referenced PoC, tagged "exploit" by a source, unverified
- github.com https://github.com/alt3kx/CVE-2018-12596 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-269 Improper Privilege Management
References
-
exploit-db.com
/exploits/45577/
exploit, mitigation, patch, third-party-advisory, vdb-entry
-
seclists.org
/fulldisclosure/2018/Oct/15
mailing-list, exploit, mitigation, patch, third-party-advisory
-
github.com
/alt3kx/CVE-2018-12596
exploit, patch, third-party-advisory
- medium.com /%40alt3kx/ektron-content-management-system-cms-9-20-sp2-remote-re-enabling-users-cve-2018-12596-bdf1e3a05158
Sources
- CVE List CVE-2018-12596
- NVD CVE-2018-12596
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.