CVE-2022-38117: Juiker app hard-coded its AES key in the source code

Routine

MEDIUM 5.5DOWNGRADE

CVE-2022-38117 is a medium-severity flaw (CVSS 5.5) affecting juiker. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Juiker app hard-coded its AES key in the source code. A physical attacker, after getting the Android root privilege, can use the AES key to decrypt users’ ciphertext and tamper with it.

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.5 (Medium)
Attack vector	Physical
Attack complexity	Low
Privileges needed	High
User interaction	None
EPSS exploit chance	0.3% (top 78%)
CISA exploited list	No
Weakness	CWE-798
Published	2022-10-24
Last modified	2026-06-17

Publisher (CNA): TWCERT/CC · Vendor: juiker

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

Am I affected?

Timeline

2022-10-24 14:15 UTCPublished CVE record published
2026-06-17 04:56 UTCUpdated Record last modified

juiker juiker DOWNGRADE

Affected: 4.6.0311.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.6.0311.1

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 4.6.0311.1 (Debian / Ubuntu)

apt-cache madison juiker sudo apt install juiker=<VERSION_BEFORE_4.6.0311.1> sudo apt-mark hold juiker

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list juiker sudo dnf downgrade juiker-<VERSION_BEFORE_4.6.0311.1> sudo dnf versionlock add juiker

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2022-38117?

juiker: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2022-38117 being exploited?

CVE-2022-38117 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-2022-38117 affect?

CVE-2022-38117 affects juiker. Severity is medium (CVSS 5.5). Juiker app hard-coded its AES key in the source code. A physical attacker, after getting the Android root privilege, can use the AES key to decrypt users’ ciphertext and tamper with it.

How urgent is CVE-2022-38117?

Priority 25/100. No elevated risk signals yet.

Software pages

Android vulnerabilities

Related CVEs

CVE-2022-39043 LOW 2.4 DOWNGRADE Juiker app stores debug logs which contains sensitive information to mobile external storage

References

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