CVE-2020-27940: This issue was addressed with improved file handling

Q: How do I fix CVE-2020-27940?

apple tv: upgrade to 5.1. Exact commands for each OS are on this page.

Q: Is CVE-2020-27940 being exploited?

CVE-2020-27940 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2020-27940 affect?

CVE-2020-27940 affects apple tv. Severity is medium (CVSS 4.3). This issue was addressed with improved file handling. This issue is fixed in Apple TV app for Fire OS 6.1.0.6A142:7.1.0. An attacker with file system access may modify scripts used by the app.

Q: How urgent is CVE-2020-27940?

Priority 29/100. No elevated risk signals yet.

Routine

MEDIUM 4.3UPGRADE

CVE-2020-27940 is a medium-severity flaw (CVSS 4.3) affecting apple tv. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

This issue was addressed with improved file handling. This issue is fixed in Apple TV app for Fire OS 6.1.0.6A142:7.1.0. An attacker with file system access may modify scripts used by the app.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	4.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.8% (top 45%)
CISA exploited list	No
Published	2021-09-08
Last modified	2026-06-17

Publisher (CNA): Apple Inc. · Vendor: apple

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2021-09-08 15:15 UTCPublished CVE record published
2026-06-17 03:09 UTCUpdated Record last modified

apple apple tv UPGRADE

Affected: < 5.1

Fixed in: 5.1

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2020-27940?

apple tv: upgrade to 5.1. Exact commands for each OS are on this page.

Is CVE-2020-27940 being exploited?

CVE-2020-27940 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2020-27940 affect?

CVE-2020-27940 affects apple tv. Severity is medium (CVSS 4.3). This issue was addressed with improved file handling. This issue is fixed in Apple TV app for Fire OS 6.1.0.6A142:7.1.0. An attacker with file system access may modify scripts used by the app.

How urgent is CVE-2020-27940?

Priority 29/100. No elevated risk signals yet.

Related CVEs

CVE-2024-44157 MEDIUM 5.5 UPGRADE UPGRADE A stack buffer overflow was addressed through improved input validation
CVE-2018-4298 CRITICAL 9.8 UPGRADE UPGRADE In macOS High Sierra before 10.13.3, Security Update 2018-001 Sierra, and Security Update 2018-001 El Capitan,
CVE-2018-4249 HIGH 7.8 UPGRADE UPGRADE An issue was discovered in certain Apple products
CVE-2018-4243 HIGH 7.8 UPGRADE UPGRADE An issue was discovered in certain Apple products
CVE-2018-4241 HIGH 7.8 UPGRADE UPGRADE An issue was discovered in certain Apple products

References

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