CVE-2019-11021 — admin/app/mediamanager in Schlix CMS 2
admin/app/mediamanager in Schlix CMS 2.1.8-7 allows Authenticated Unrestricted File Upload, leading to remote code execution. NOTE: "While inadvertently allowing a PHP file to be uploaded via Media Manager was an oversight, it still requires an admin permission. We think it&
Published
2019-10-24T15:26:25.000Z
Last modified
2024-08-04T22:40:16.048Z
01What is this vulnerability?
admin/app/mediamanager in Schlix CMS 2.1.8-7 allows Authenticated Unrestricted File Upload, leading to remote code execution. NOTE: "While inadvertently allowing a PHP file to be uploaded via Media Manager was an oversight, it still requires an admin permission. We think it's pretty rare for an administrator to exploit a bug on his/her own site to own his/her own site.
02Affected products
| Vendor | Product | Versions |
|---|
| n | a / n/a | n/a |
03Active exploitation status
Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.
04Recommended remediation
- Patch to a fixed version listed in the vendor advisory (see references below).
- Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
- Hunt historical logs for exploitation indicators — see Detection signatures below.
05Technical details
For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.
06Detection signatures
Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.
07Related CVEs
No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.
08Timeline
- Published: 2019-10-24T15:26:25.000Z
- Last modified: 2024-08-04T22:40:16.048Z
09References
- www.schlix.com — https://www.schlix.com/html/schlix-cms-downloads.html
- gurelahmet.com — https://gurelahmet.com/schlix-cms-v2-1-8-7-authenticated-unrestricted-file-uploa…
- www.incibe-cert.es — https://www.incibe-cert.es/en/early-warning/vulnerabilities/cve-2019-11021
- vuldb.com — https://vuldb.com/?id.144129
- www.schlix.com — https://www.schlix.com/news/security/cve-2019-11021-for-older-schlix-cms-v2-1-8-…
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