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CVE Record

CVE-2020-20210: Bludit 3.9.2 is vulnerable to Remote Code Execution (RCE) via /admin/ajax/upload-images.

Bludit 3.9.2 is vulnerable to Remote Code Execution (RCE) via /admin/ajax/upload-images.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

The public record says Bludit 3.9.2 has remote code execution through the admin image upload endpoint. If an affected Bludit site is reachable and the vulnerable path can be used, an attacker could potentially run code on the hosting server. The bundle does not provide CVSS, authentication requirements, confirmed exploitation, or a vendor fix.

Executive priority

Prioritize near-term inventory and containment because the reported impact is server-side code execution. Urgency is reduced only by uncertainty: the bundle lacks severity scoring, exploitation evidence, and patch details.

Technical view

CVE-2020-20210 describes RCE in Bludit 3.9.2 via /admin/ajax/upload-images. The provided data does not specify the vulnerable code path, required privileges, file handling weakness, affected CPEs, CWE, or fixed version. Treat it as an upload-handling RCE claim requiring vendor confirmation.

Likely exposure

Exposure appears limited to Bludit 3.9.2 deployments, especially sites with reachable administrative upload functionality. The supplied affected-product metadata is incomplete and lists vendor and product as n/a, so asset owners should verify Bludit version and deployment context directly.

Exploitation context

The source bundle does not show CISA KEV listing, active exploitation, public exploit status, or exploitation prerequisites. Because the described impact is RCE, prioritize assessment, but do not assume internet-wide exploitation from the supplied evidence.

Researcher notes

The record is sparse: one GitHub issue reference, no CVSS, no CWE, no CPEs, and incomplete affected-product metadata. Further analysis should focus on authenticating the vendor issue, identifying fixed releases, and determining whether exploitation requires administrator access.

Mitigation direction

  • Identify any Bludit 3.9.2 instances in production or staging.
  • Check Bludit project guidance for fixed versions or official mitigations.
  • Restrict administrative access to trusted networks and users.
  • Review upload controls and disable unnecessary image upload exposure.
  • Increase monitoring for suspicious web server process activity.

Validation and detection

  • Confirm installed Bludit versions from application inventory or server records.
  • Verify whether /admin/ajax/upload-images is reachable in deployed environments.
  • Review authentication and role requirements for administrative upload access.
  • Check web and application logs for unusual upload activity.
  • Confirm remediation guidance against official Bludit sources before deployment.
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

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description · low confidence lookup

Execution behavior lookup

The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

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cve · low confidence lookup

CVE-2020-20210 mapping review

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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.

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.