Home/CVE/Kentico 11 through 12 lets attackers upload and explore files without authentication via the cmsmodules/medialibrary/for
CVE

CVE-2019-12102

Kentico 11 through 12 lets attackers upload and explore files without authentication via the cmsmodules/medialibrary/for

Kentico 11 through 12 lets attackers upload and explore files without authentication via the cmsmodules/medialibrary/formcontrols/liveselectors/insertimageormedia/tabs_media.aspx URI. NOTE: The vendor disputes the report because the researcher did not configure the media library permissions correctly. The vendor states that by default all users can read/modify/upload files, and it’s up to the administrator to decide who should have access to the media library and set the permissions accordingly.

See the vendor documentation in the references for more information.

CRITICAL · CVSS 9.1 EPSS 0.00124
Schedule remediation
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-732Incorrect Permission Assignment for Critical Resource
▤

Affected Products & Versions

1
kentico xperience>= 11.0.0 and <= 12.0
▣

Scoring & Timeline

9.1
CRITICAL · CVSS v3.0 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD22 May 2019 · 03:29 PM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
yes
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://devnet.kentico.com/download/hotfixesVendor Advisory
https://docs.kentico.com/k12/configuring-kentico/configuring-the-environment-for-content-editors/configuring-media-libraries/assigning-permissions-to-media-libraries
https://docs.kentico.com/k12/release-notes-kentico-12Release NotesVendor Advisory
https://github.com/Gr4y21/My-CVE-IDs/blob/master/KenticoBroken Link
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