CVE-2017-16798

CVSS V2 Low 3.5 CVSS V3 Medium 5.4
Description
In CMS Made Simple 2.2.3.1, the is_file_acceptable function in modules/FileManager/action.upload.php only blocks file extensions that begin or end with a "php" substring, which allows remote attackers to bypass intended access restrictions or trigger XSS via other extensions, as demonstrated by .phtml, .pht, .html, or .svg.
Overview
  • CVE ID
  • CVE-2017-16798
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2017-11-12T18:29:00
  • Last Modified Date
  • 2019-11-21T17:48:05
Weakness Enumerations
CWE URL
CWE-79 http://cwe.mitre.org/data/definitions/79.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:cmsmadesimple:cms_made_simple:2.2.3.1:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:S/C:N/I:P/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • SINGLE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • NONE
  • Base Score
  • 3.5
  • Severity
  • LOW
  • Exploitability Score
  • 6.8
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • REQUIRED
  • Scope
  • CHANGED
  • Confidentiality Impact
  • LOW
  • Availability Impact
  • NONE
  • Base Score
  • 5.4
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 2.3
  • Impact Score
  • 2.7
References
Reference URL Reference Tags
https://github.com/bsmali4/cve/blob/master/CMS%20Made%20Simple%20UPLOAD%20FILE%20XSS.md Issue Tracking Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2017-16798
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-16798
History
Created Old Value New Value Data Type Notes
2022-05-10 16:58:54 Added to TrackCVE
2022-12-02 22:54:41 2017-11-12T18:29Z 2017-11-12T18:29:00 CVE Published Date updated
2022-12-02 22:54:41 2019-11-21T17:48:05 CVE Modified Date updated
2022-12-02 22:54:41 Analyzed Vulnerability Status updated