CVE-2018-12596Ektron CMS Vulnerability
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…
Published Oct 10, 2018 · Updated Nov 21, 2024
Key Facts
Patch immediately- CVE-2018-12596 is a critical-severity vulnerability (CVSS 9.8 v3) affecting Ektron CMS (Episerver).
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 22% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Scores
CVSS v3
9.8
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
22%
Higher than 97.6% of all scored CVEs
Exploit maturity
Proof of concept
ATLAS score
35/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Not listed
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Proof of concept
Public exploit code
1
Proof-of-concept links
In-the-wild evidence
0
Reports of active use
Advisories And Exploit References
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
8 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Ektron CMSEpiserver | 9.00, 9.00-sp1, 9.00-sp2, 9.10, 9.10-sp1, 9.10-sp2, 9.20, 9.20-sp1 | n/a |
Timeline
Publicly disclosed
Oct 10, 2018
Last updated
Nov 21, 2024
Weakness Type
- CWE-269 Improper Privilege Management
FAQ
Common Questions.
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: Ektron CMS (Episerver) versions 9.00, 9.00-sp1, 9.00-sp2, 9.10, 9.10-sp1, 9.10-sp2, 9.20, 9.20-sp1. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Is CVE-2018-12596 On Your Attack Surface?
Brandefense matches it against the products discovered on your perimeter and opens a finding the day a CVE like this is listed.
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