CVE-2023-21447: Improper access control vulnerabilities in Samsung Cloud prior to version 5.3.0.32 allows local attackers to a

Q: How do I fix CVE-2023-21447?

cloud: upgrade to 5.3.0.32. Exact commands for each OS are on this page.

Q: Is CVE-2023-21447 being exploited?

CVE-2023-21447 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-2023-21447 affect?

CVE-2023-21447 affects cloud. Severity is medium (CVSS 4.0). Improper access control vulnerabilities in Samsung Cloud prior to version 5.3.0.32 allows local attackers to access information with Samsung Cloud's privilege via implicit intent.

Q: How urgent is CVE-2023-21447?

Priority 15/100. No elevated risk signals yet.

Routine

MEDIUM 4.0UPGRADE

CVE-2023-21447 is a medium-severity flaw (CVSS 4.0) affecting cloud. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Improper access control vulnerabilities in Samsung Cloud prior to version 5.3.0.32 allows local attackers to access information with Samsung Cloud's privilege via implicit intent.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	4.0 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.1% (top 96%)
CISA exploited list	No
Weakness	CWE-284, CWE-668
Published	2023-02-09
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

2023-02-09 19:15 UTCPublished CVE record published
2026-06-17 05:32 UTCUpdated Record last modified

samsung cloud UPGRADE

Affected: < 5.3.0.32

Fixed in: 5.3.0.32

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 5.3.0.32 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade cloud

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-2023-21447?

cloud: upgrade to 5.3.0.32. Exact commands for each OS are on this page.

Is CVE-2023-21447 being exploited?

CVE-2023-21447 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-2023-21447 affect?

CVE-2023-21447 affects cloud. Severity is medium (CVSS 4.0). Improper access control vulnerabilities in Samsung Cloud prior to version 5.3.0.32 allows local attackers to access information with Samsung Cloud's privilege via implicit intent.

How urgent is CVE-2023-21447?

Priority 15/100. No elevated risk signals yet.

Software pages

Samsung vulnerabilities

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References

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