CVE-2022-33734: Sensitive information exposure in onCharacteristicChanged in Charm by Samsung prior to version 1.2.3 allows at

Q: How do I fix CVE-2022-33734?

charm: upgrade to 1.2.3. Exact commands for each OS are on this page.

Q: Is CVE-2022-33734 being exploited?

CVE-2022-33734 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-2022-33734 affect?

CVE-2022-33734 affects charm. Severity is medium (CVSS 6.2). Sensitive information exposure in onCharacteristicChanged in Charm by Samsung prior to version 1.2.3 allows attacker to get bluetooth connection information without permission.

Q: How urgent is CVE-2022-33734?

Priority 24/100. No elevated risk signals yet.

Routine

MEDIUM 6.2UPGRADE

CVE-2022-33734 is a medium-severity flaw (CVSS 6.2) affecting charm. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Sensitive information exposure in onCharacteristicChanged in Charm by Samsung prior to version 1.2.3 allows attacker to get bluetooth connection information without permission.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.2 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.2% (top 92%)
CISA exploited list	No
Weakness	CWE-927
Published	2022-08-05
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

2022-08-05 16:15 UTCPublished CVE record published
2026-06-17 04:49 UTCUpdated Record last modified

samsung charm UPGRADE

Affected: < 1.2.3

Fixed in: 1.2.3

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 1.2.3 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade charm

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-2022-33734?

charm: upgrade to 1.2.3. Exact commands for each OS are on this page.

Is CVE-2022-33734 being exploited?

CVE-2022-33734 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-2022-33734 affect?

CVE-2022-33734 affects charm. Severity is medium (CVSS 6.2). Sensitive information exposure in onCharacteristicChanged in Charm by Samsung prior to version 1.2.3 allows attacker to get bluetooth connection information without permission.

How urgent is CVE-2022-33734?

Priority 24/100. No elevated risk signals yet.

Software pages

Samsung vulnerabilities · Bluetooth vulnerabilities

Related CVEs

CVE-2022-33733 MEDIUM 6.2 UPGRADE Sensitive information exposure in onCharacteristicRead in Charm by Samsung prior to version 1.2.3 allows attac
CVE-2022-29180 MEDIUM 5.9 UPGRADE A vulnerability in which attackers could forge HTTP requests to manipulate the `charm` data directory to acces
CVE-2021-37588 MEDIUM 5.9 DOWNGRADE In Charm 0.43, any two users can collude to achieve the ability to decrypt YCT14 data.
CVE-2021-37587 MEDIUM 6.5 DOWNGRADE In Charm 0.43, any single user can decrypt DAC-MACS or MA-ABE-YJ14 data.

References

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