CVE-2015-0923Ektron Content Management System Vulnerability
The ContentBlockEx method in Workarea/ServerControlWS.asmx in Ektron Content Management System (CMS) 8.5 and 8.7 before 8.7sp2 and 9.0 before sp1 allows remote attackers to read arbitrary files via an external entity declaration in conjunction with an entity reference within an…
Published Feb 14, 2015 · Updated May 6, 2026
Key Facts
Routine patching- CVE-2015-0923 is a medium-severity vulnerability (CVSS 5.0 v2) affecting Ektron Content Management System.
- 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: routine patching, as no exploitation is known and its severity is moderate or low.
Scores
CVSS v2
5.0
AV:N/AC:L/Au:N/C:P/I:N/A:N
EPSS (30-day exploit likelihood)
22%
Higher than 97.6% of all scored CVEs
Exploit maturity
Weaponized
ATLAS score
38/100
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
Weaponized
Public exploit code
1
Proof-of-concept links
In-the-wild evidence
0
Reports of active use
Description
The ContentBlockEx method in Workarea/ServerControlWS.asmx in Ektron Content Management System (CMS) 8.5 and 8.7 before 8.7sp2 and 9.0 before sp1 allows remote attackers to read arbitrary files via an external entity declaration in conjunction with an entity reference within an XML document named in the xslt parameter, related to an XML External Entity (XXE) issue.
Affected Products
4 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Ektron Content Management SystemEktron | 8.5.0, 8.7.0, 8.7.0-sp1, 8.9.0 | n/a |
Timeline
Publicly disclosed
Feb 14, 2015
Last updated
May 6, 2026
References
- exploitMSF ektron_xslt_exec_ws.rb
- otherVU#377644
FAQ
Common Questions.
The ContentBlockEx method in Workarea/ServerControlWS.asmx in Ektron Content Management System (CMS) 8.5 and 8.7 before 8.7sp2 and 9.0 before sp1 allows remote attackers to read arbitrary files via an external entity declaration in conjunction with an entity reference within an XML document named in the xslt parameter…
Affected: Ektron Content Management System versions 8.5.0, 8.7.0, 8.7.0-sp1, 8.9.0. 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: routine patching, as no exploitation is known and its severity is moderate or low.
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