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CVE Record

CVE-2020-23765: A file upload vulnerability was discovered in the file path /bl-plugins/backup/plugin.php on Bludit version...

A file upload vulnerability was discovered in the file path /bl-plugins/backup/plugin.php on Bludit version 3.12.0. If an attacker is able to gain Administrator rights they will be able to use unsafe plugins to upload a backup file and control the server.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2020-23765 describes a Bludit 3.12.0 backup plugin file upload weakness. The reported impact is serious only after an attacker has Administrator rights: they may upload a backup file through unsafe plugin behavior and gain server control. The public record does not provide CVSS scoring or a confirmed patch.

Executive priority

Treat this as a targeted platform risk, not an internet-wide emergency. Prioritize if Bludit 3.12.0 is present, admin access is broadly shared, or the CMS hosts sensitive or business-critical content.

Technical view

The CVE points to /bl-plugins/backup/plugin.php in Bludit 3.12.0. The reported issue is a post-authentication file upload vulnerability tied to backup plugin handling. The CVE data names no CWE, CVSS vector, affected CPE, patch version, or detailed mitigation beyond the linked public issue.

Likely exposure

Exposure appears limited to Bludit 3.12.0 deployments where the backup plugin path is present and an attacker can obtain Administrator privileges. The bundle does not establish broader affected versions or products.

Exploitation context

The source bundle does not show CISA KEV listing or cited evidence of active exploitation. Public exploitability is constrained by the stated Administrator-rights prerequisite, but impact could be severe if that prerequisite is met.

Researcher notes

Evidence is sparse. The CVE record identifies Bludit 3.12.0 and a backup plugin file upload path, but lacks CVSS, CWE, CPEs, patch metadata, and exploitation confirmation. Avoid expanding scope beyond the cited version without vendor evidence.

Mitigation direction

  • Check Bludit project guidance and the linked issue for vendor-confirmed fixes.
  • Inventory any Bludit 3.12.0 systems and prioritize them for review.
  • Restrict Administrator privileges to essential trusted accounts only.
  • Limit access to the Bludit admin interface where operationally feasible.
  • Review backup plugin use and remove unnecessary exposure following vendor guidance.

Validation and detection

  • Confirm whether any deployed Bludit instance is version 3.12.0.
  • Check whether /bl-plugins/backup/plugin.php exists on those instances.
  • Review current Administrator accounts for unnecessary or suspicious access.
  • Review logs for unexpected backup upload or plugin activity.
  • Verify remediation status against official Bludit guidance before closure.
Prepared
Confidence
medium
Sources
3

Public sources used

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-2020-23765 mapping review

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

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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.

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.