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CVE-2020-28647: In Progress MOVEit Transfer before 2020.1, a malicious user could craft and store a payload within the appl...

In Progress MOVEit Transfer before 2020.1, a malicious user could craft and store a payload within the application. If a victim within the MOVEit Transfer instance interacts with the stored payload, it could invoke and execute arbitrary code within the context of the victim's browser (XSS).

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2020-28647 is a stored cross-site scripting issue in Progress MOVEit Transfer before 2020.1. A malicious user could save harmful content inside the application. If another user in the same instance interacts with that content, code could run in that user’s browser session.

Executive priority

Treat as a timely remediation item for any internet-facing or multi-user MOVEit Transfer deployment, but not as an emergency based on the provided evidence. Prioritize confirmation of version exposure and upgrade planning.

Technical view

The source bundle describes stored XSS in MOVEit Transfer versions before 2020.1. The payload is stored in the application and executes in the victim browser after interaction. The bundle does not provide CVSS, CWE, detailed affected CPEs, or evidence of active exploitation.

Likely exposure

Exposure is likely limited to organizations running Progress MOVEit Transfer before 2020.1, especially where multiple users can create or view stored application content. The bundle does not identify cloud, appliance, or configuration-specific exposure details.

Exploitation context

The bundle says exploitation requires a malicious user to store a payload and a victim in the same MOVEit Transfer instance to interact with it. KEV is false in the provided data, and no cited source in the bundle establishes active exploitation.

Researcher notes

The public data supplied is sparse: no CVSS vector, CWE, CPE list, or complete affected matrix is included. Analysis should stay anchored to MOVEit Transfer before 2020.1 and the stored-XSS behavior described by CVE and vendor-linked references.

Mitigation direction

  • Inventory MOVEit Transfer instances and identify versions before 2020.1.
  • Upgrade affected instances to MOVEit Transfer 2020.1 or later per Progress guidance.
  • Review the Progress advisory for supported remediation or workaround details.
  • Restrict untrusted user access until affected systems are remediated.

Validation and detection

  • Confirm deployed MOVEit Transfer versions against the before-2020.1 affected range.
  • Review Progress advisory details for environment-specific applicability.
  • Check application records for suspicious stored content without opening it in a browser.
  • Review user activity around unexpected content creation or victim interaction reports.
Prepared
Confidence
medium
Sources
5

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-2020-28647 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
4Source 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.