CVE-2025-20971: Improper input validation in Samsung Flow prior to version 4.9.17.6 allows local attackers to access data with

Q: How do I fix CVE-2025-20971?

flow: upgrade to 4.9.17.6. Exact commands for each OS are on this page.

Q: Is CVE-2025-20971 being exploited?

CVE-2025-20971 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-2025-20971 affect?

CVE-2025-20971 affects flow. Severity is medium (CVSS 5.5). Improper input validation in Samsung Flow prior to version 4.9.17.6 allows local attackers to access data within Samsung Flow.

Q: How urgent is CVE-2025-20971?

Priority 20/100. No elevated risk signals yet.

Routine

MEDIUM 5.5UPGRADE

CVE-2025-20971 is a medium-severity flaw (CVSS 5.5) affecting flow. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Improper input validation in Samsung Flow prior to version 4.9.17.6 allows local attackers to access data within Samsung Flow.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	5.5 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.2% (top 95%)
CISA exploited list	No
Published	2025-05-07
Last modified	2026-06-17

Publisher (CNA): Samsung Mobile · Vendor: samsung

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

Am I affected?

Timeline

2025-05-07 09:15 UTCPublished CVE record published
2026-06-17 08:42 UTCUpdated Record last modified

samsung flow UPGRADE

Affected: < 4.9.17.6

Fixed in: 4.9.17.6

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy flow || rpm -q flow || flow --version

2. UPGRADE to 4.9.17.6 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade flow

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade flow

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2025-20971?

flow: upgrade to 4.9.17.6. Exact commands for each OS are on this page.

Is CVE-2025-20971 being exploited?

CVE-2025-20971 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-2025-20971 affect?

CVE-2025-20971 affects flow. Severity is medium (CVSS 5.5). Improper input validation in Samsung Flow prior to version 4.9.17.6 allows local attackers to access data within Samsung Flow.

How urgent is CVE-2025-20971?

Priority 20/100. No elevated risk signals yet.

Software pages

Samsung vulnerabilities

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References

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