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CVE Record

CVE-2020-26678: vFairs 3.3 is affected by Remote Code Execution.

vFairs 3.3 is affected by Remote Code Execution. Any user logged in to a vFairs virtual conference or event can abuse the functionality to upload a profile picture in order to place a malicious PHP file on the server and gain code execution.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

CVE-2020-26678 is a reported remote code execution issue in vFairs 3.3. A logged-in event user could abuse profile picture upload functionality to place a PHP file on the server, potentially allowing server-side code execution. Public sources do not provide CVSS, patch status, or confirmed exploitation evidence.

Executive priority

Prioritize assessment if your organization hosts events on vFairs 3.3 or allows external attendees to create profiles. Treat as high urgency where untrusted users can log in, because successful exploitation could lead to server compromise. Seek vendor confirmation because public remediation details are incomplete.

Technical view

The CVE describes improper handling of profile picture uploads in vFairs 3.3. An authenticated user in a virtual event could upload a PHP file through the profile workflow, resulting in code execution on the application server. The record references the vFairs profiles API and a Huntress report, but does not include CWE, CVSS, or remediation details.

Likely exposure

Exposure appears limited to organizations running vFairs 3.3 or related hosted event environments with profile image upload enabled. The attacker must be logged in to a vFairs event, which may include ordinary attendees depending on event access controls.

Exploitation context

The issue is authenticated but potentially easy to reach in public or broadly attended events. No CISA KEV listing or provided source confirms active exploitation. The primary business risk is compromise of the event platform server and possible access to event data or infrastructure.

Researcher notes

Evidence is sparse. The CVE record states vFairs 3.3 RCE via profile picture upload by any logged-in user. No CVSS, CWE, affected CPE, exploit status, or patch details are provided in the source bundle. Avoid assuming broader affected versions without vendor confirmation.

Mitigation direction

  • Confirm whether your environment uses vFairs 3.3 or affected hosted functionality.
  • Contact vFairs for current patch status and official remediation guidance.
  • If vendor-supported, restrict profile image uploads until remediation is confirmed.
  • Review event access policies to reduce untrusted authenticated users.
  • Monitor upload directories for unexpected server-executable files.

Validation and detection

  • Inventory vFairs deployments, hosted events, and administrative ownership.
  • Verify product version and deployment model with vFairs or internal records.
  • Review logs for profile upload activity involving non-image file types.
  • Check web roots and upload storage for unexpected PHP files.
  • Confirm vendor-provided remediation has been applied or documented.
Prepared
Confidence
medium
Sources
4

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

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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-2020-26678 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
3Timeline events
1ADP providers
3Source links

Vulnerability timeline

Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.

  1. CVE reservedCVE Program

    The CVE ID was reserved by the assigning CNA.

  2. CVE publishedCVE Program

    The CVE record was published.

  3. CVE updatedCVE Program

    The CVE record metadata indicates this as the latest update time.

ADP provider summaries

CVECVE Program Container

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.