CVE-2022-41797: Improper authorization in handler for custom URL scheme vulnerability in Lemon8 App for Android versions prior

Q: How do I fix CVE-2022-41797?

lemon8: upgrade to 3.3.5; lemon8: upgrade to 3.3.5. Exact commands for each OS are on this page.

Q: Is CVE-2022-41797 being exploited?

CVE-2022-41797 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-2022-41797 affect?

CVE-2022-41797 affects lemon8, lemon8. Severity is medium (CVSS 6.5). Improper authorization in handler for custom URL scheme vulnerability in Lemon8 App for Android versions prior to 3.3.5 and Lemon8 App for iOS versions prior to 3.3.5 allows a remote attacker to lead a user to access an arbitrary website vi

Q: How urgent is CVE-2022-41797?

Priority 40/100. No elevated risk signals yet.

This month

MEDIUM 6.5UPGRADEUPGRADE

CVE-2022-41797 is a medium-severity flaw (CVSS 6.5) affecting lemon8, lemon8. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Improper authorization in handler for custom URL scheme vulnerability in Lemon8 App for Android versions prior to 3.3.5 and Lemon8 App for iOS versions prior to 3.3.5 allows a remote attacker to lead a user to access an arbitrary website via the vulnerable App. As a result, the user may become a victim of a phishing attack.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.5 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	1.2% (top 33%)
CISA exploited list	No
Weakness	CWE-862
Published	2022-10-24
Last modified	2026-06-17

Publisher (CNA): JPCERT/CC · Vendor: lemon8 project

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 05:03 UTCUpdated Record last modified

lemon8 project lemon8 UPGRADE

Affected: < 3.3.5

Fixed in: 3.3.5

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy lemon8 || rpm -q lemon8 || lemon8 --version

2. UPGRADE to 3.3.5 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade lemon8

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade lemon8

Note

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

lemon8 project lemon8 UPGRADE

Affected: < 3.3.5

Fixed in: 3.3.5

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy lemon8 || rpm -q lemon8 || lemon8 --version

2. UPGRADE to 3.3.5 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade lemon8

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade lemon8

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-2022-41797?

lemon8: upgrade to 3.3.5; lemon8: upgrade to 3.3.5. Exact commands for each OS are on this page.

Is CVE-2022-41797 being exploited?

CVE-2022-41797 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-2022-41797 affect?

CVE-2022-41797 affects lemon8, lemon8. Severity is medium (CVSS 6.5). Improper authorization in handler for custom URL scheme vulnerability in Lemon8 App for Android versions prior to 3.3.5 and Lemon8 App for iOS versions prior to 3.3.5 allows a remote attacker to lead a user to access an arbitrary website vi

How urgent is CVE-2022-41797?

Priority 40/100. No elevated risk signals yet.

Software pages

Android vulnerabilities · iOS vulnerabilities

References

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