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CVE Record

CVE-2020-36141: BloofoxCMS 0.5.2.1 allows Unrestricted File Upload vulnerability via bypass MIME Type validation by inserti...

BloofoxCMS 0.5.2.1 allows Unrestricted File Upload vulnerability via bypass MIME Type validation by inserting 'image/jpeg' within the 'Content-Type' header.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

BloofoxCMS 0.5.2.1 reportedly lets an uploader bypass MIME type validation by sending an image-looking Content-Type value. In business terms, any still-running BloofoxCMS instance with file upload exposed should be treated as a potential foothold risk, but the source bundle does not provide CVSS, vendor fix status, or confirmed exploitation.

Executive priority

Prioritize an asset and exposure check rather than a broad emergency response. If BloofoxCMS 0.5.2.1 is internet-facing or supports untrusted uploads, treat remediation as urgent because unrestricted upload flaws can become high-impact server compromise paths.

Technical view

The CVE describes an unrestricted file upload issue in BloofoxCMS 0.5.2.1. Validation can be bypassed by placing image/jpeg in the Content-Type header, suggesting server trust in client-supplied MIME metadata. The sources do not document prerequisites, authentication requirements, upload endpoint details, impact chain, or a patched version.

Likely exposure

Likely exposure is limited to organizations still operating BloofoxCMS 0.5.2.1, especially where upload functionality is reachable by users or administrators. The source bundle lists affected vendor/product fields as n/a, so asset confirmation must rely on application inventory rather than normalized CPE data.

Exploitation context

The CVE is not listed as CISA KEV in the provided bundle. No cited source here confirms active exploitation. Public detail indicates a validation bypass condition, but this assessment does not include exploit steps, payloads, or claims of real-world attacks.

Researcher notes

Evidence is sparse: no CVSS, CWE, CPE, exploit status, or patch reference is included. The main technical signal is MIME validation bypass in BloofoxCMS 0.5.2.1. Validate assumptions directly against deployed code and official project guidance before assigning final severity.

Mitigation direction

  • Inventory any BloofoxCMS installations and confirm whether version 0.5.2.1 is present.
  • Check BloofoxCMS project or vendor guidance for a fixed release or official workaround.
  • Restrict access to upload functionality until exposure is understood.
  • Prevent uploaded files from executing on the server where feasible.
  • Review uploaded content and web logs for suspicious files or upload activity.

Validation and detection

  • Confirm BloofoxCMS version from deployment records or application files.
  • Identify all public and authenticated upload surfaces in the application.
  • Verify whether upload validation relies on client-supplied Content-Type metadata.
  • Check server configuration for execution permissions in upload directories.
  • Review historical uploads for unexpected file types or anomalous names.
Prepared
Confidence
medium
Sources
3

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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.

description · low confidence lookup

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 lookup
cve · low confidence lookup

CVE-2020-36141 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

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.

0CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.