Security readout for executives and security teams
Plain-English summary
CMS Made Simple 2.2.14 has an authenticated file upload weakness in File Manager: it failed to block .ptar uploads. A valid CMS user with file-manager access may be able to upload files the application should reject. Public exploit material exists, but the supplied sources do not show active exploitation.
Executive priority
Treat as high priority for any internet-facing CMS instance with multiple or weakly controlled user accounts. The issue requires authentication, but CMS account compromise or over-permissioned users could turn it into a site integrity incident.
Technical view
The CVE describes authenticated arbitrary file upload in CMS Made Simple 2.2.14 caused by incomplete extension filtering for .ptar files. It is noted as related to CVE-2017-16798. The source bundle provides no CVSS, CWE, vendor advisory, or patch version, so impact and remediation details remain incomplete.
Likely exposure
Exposure is likely limited to CMS Made Simple 2.2.14 instances where authenticated users can access File Manager upload functionality. Risk increases if untrusted, compromised, or overly broad accounts have that permission.
Exploitation context
The CVE references an Exploit-DB entry, indicating public exploit information exists. CISA KEV status is false in the supplied bundle, and no cited source states active exploitation in the wild.
Researcher notes
Evidence is sparse: the CVE description names the vulnerable version and upload bypass condition, and Exploit-DB is the only listed exploit reference. The bundle does not provide CVSS, affected CPEs, patch metadata, or vendor advisory details.
Mitigation direction
- Check CMS Made Simple vendor guidance for fixed versions or official mitigation.
- Restrict File Manager access to trusted administrative users only.
- Review upload allowlists and block unexpected archive or executable-like extensions.
- Audit CMS accounts for unnecessary upload permissions.
- Monitor uploaded files and web-accessible upload directories for suspicious additions.
Validation and detection
- Identify CMS Made Simple installations and confirm whether version 2.2.14 is present.
- Review File Manager role permissions for all authenticated users.
- Inspect upload directories for .ptar files or unexpected recent uploads.
- Confirm whether vendor guidance or later releases address this specific issue.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
File access behavior lookup
The CVE wording references file access or upload behavior, so file telemetry and web shell review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2020-17462 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- 48742CVE reference · exploit, x_refsource_EXPLOIT-DB
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.