Privilege escalation in Episerver Ektron Cms
CVE-2018-12596
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).
Vulnerability class: Privilege Escalation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.224 (97.6th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 97.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.224 · newest: 0.224 · change: 0.000
Affected products
- Episerver Ektron Cms — versions 9.00, 9.10, 9.20
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.exploit-db.com/exploits/45577/ (Exploit, Patch, VDB Entry, Third Party Advisory, exploit, Mitigation)
- seclists.org/fulldisclosure/2018/Oct/15 (mailing-list, Exploit, Patch, Mailing List, Third Party Advisory, Mitigation)
- github.com/alt3kx/CVE-2018-12596 (Exploit, Patch, Third Party Advisory)
- medium.com/@alt3kx/ektron-content-management-system-cms-9-20-sp2-remote-re-enab…
Frequently asked questions
- What is CVE-2018-12596?
- CVE-2018-12596 is a critical-severity vulnerability in Episerver Ektron Cms, classified under Improper Privilege Management. CVSS score: 9.8/10. Published 2018-10-10.
- How severe is CVE-2018-12596?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2018-12596 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.