Security readout for executives and security teams
Plain-English summary
CVE-2020-37087 affects Easy Transfer Wifi Transfer for iOS version 1.7. A user with access to the app’s web transfer functions could store malicious JavaScript through folder or move/edit inputs. That script may run later in another user’s browser session. Business urgency is moderate and mainly applies where this app is used on trusted devices or networks.
Executive priority
Treat as a targeted cleanup item, not an emergency. The vulnerability is moderate severity, has public exploit details, and affects a specific iOS file-transfer app version. Prioritize confirming use, removing unsupported installations, and limiting exposure on devices that handle sensitive data.
Technical view
The issue is persistent cross-site scripting in Easy Transfer v1.7 for iOS, mapped to CWE-79. Public advisories describe improper validation of oldPath, newPath, and path parameters in Create Folder and Move/Edit functions via POST requests. CVSS v4.0 is 5.1 with network attack vector, low complexity, low privileges required, and user interaction present.
Likely exposure
Exposure is limited to organizations or users running Easy Transfer Wifi Transfer v1.7 for iOS, especially when its mobile web transfer interface is reachable by other users on a network. Systems not using this app or not exposing its transfer functions are not indicated as affected by the provided sources.
Exploitation context
Public technical writeups and exploit references exist, but the source bundle does not indicate known active exploitation, and it is not listed as KEV. Exploitation requires access to the application’s web functionality and user interaction for the stored script to execute in the mobile web application context.
Researcher notes
The evidence supports persistent XSS in Easy Transfer v1.7 for iOS only. The provided sources do not name a patched version or vendor mitigation. Avoid broad assumptions about later versions or related products. Public exploit references exist, but no KEV listing or cited active exploitation evidence is provided.
Mitigation direction
- Identify whether Easy Transfer Wifi Transfer v1.7 for iOS is installed or in use.
- Check the vendor or App Store page for updated versions or guidance.
- Remove or disable the app if no supported fix is available.
- Restrict access to the app’s transfer interface to trusted users and networks.
- Avoid using the app on shared or untrusted Wi-Fi networks.
Validation and detection
- Inventory managed iOS devices for Easy Transfer Wifi Transfer installations.
- Confirm installed app version where device management tooling allows it.
- Review whether the web transfer interface is enabled during normal use.
- Check vendor, App Store, and advisory pages for remediation updates.
- Prioritize devices used with sensitive files or shared networks.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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.
CWE-79: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2020-37087 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 5.1 (4.0)
- Known Exploited
- No
- Published
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
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.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N——Primary CVE scoreVulnerability scoring details
Base CVSS 4.0 score
5.1MediumVector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
Source materials
- CVE List V5 sourceCVE List V5
- ExploitDB-48395CVE reference · exploit, technical-description
- Vulnerability-Lab AdvisoryCVE reference · technical-description, exploit
- Official App Store Product PageCVE reference · product
- VulnCheck Advisory: Easy Transfer 1.7 for iOS - Persistent Cross-Site ScriptingCVE reference · third-party-advisory
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.