Security readout for executives and security teams
Plain-English summary
CVE-2020-27940 affects the Apple TV app for Fire OS. Apple says an attacker who already has file system access may modify scripts used by the app. The sources do not describe remote compromise, CVSS severity, or business impact. Urgency is mainly to confirm Fire OS devices run the fixed Apple TV app version.
Executive priority
Treat as a targeted hygiene item, not a broad emergency, based on limited source details and no cited active exploitation. Prioritize updating managed Fire OS devices where the Apple TV app is installed.
Technical view
Apple describes a file-handling flaw in the Apple TV app for Fire OS, fixed in version 6.1.0.6A142:7.1.0. The stated impact is modification of scripts used by the app by an attacker with file system access. The sources do not identify a CWE, attack vector details, privilege boundary, or affected version range beyond the fixed release.
Likely exposure
Exposure appears limited to Fire OS devices running the Apple TV app before the fixed release, especially where an attacker could gain file system access. The source bundle does not provide an affected version range or deployment prevalence.
Exploitation context
The CVE is not listed as KEV in the provided bundle, and no cited source states active exploitation. The only described prerequisite is attacker file system access, which materially narrows likely exploitation compared with unauthenticated remote flaws.
Researcher notes
Evidence is sparse. Apple attributes the issue to file handling and script modification with file system access, but sources omit CVSS, CWE, affected version range, and technical root cause. Avoid assuming exploitability beyond the stated local filesystem-access condition.
Mitigation direction
- Update Apple TV app for Fire OS to version 6.1.0.6A142:7.1.0 or later.
- Check Apple’s advisory for any newer vendor guidance.
- Restrict physical and administrative access to Fire OS devices.
- Review managed device controls for unauthorized filesystem changes.
Validation and detection
- Inventory Fire OS devices with the Apple TV app installed.
- Confirm installed Apple TV app version against Apple’s fixed release.
- Verify whether affected devices are enterprise-managed or personally owned.
- Check device management logs for unexpected app file changes.
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
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CVE-2020-27940 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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 and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://support.apple.com/en-us/HT212197CVE reference · x_refsource_MISC
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.