CVE-2019-9140: When processing Deeplink scheme, Happypoint mobile app 6.3.19 and earlier versions doesn't check Deeplink URL

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HIGH 8.1DOWNGRADE

CVE-2019-9140 is a high-severity flaw (CVSS 8.1) affecting happypoint. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

When processing Deeplink scheme, Happypoint mobile app 6.3.19 and earlier versions doesn't check Deeplink URL correctly. This could lead to javascript code execution, url redirection, sensitive information disclosure. An attacker can exploit this issue by enticing an unsuspecting user to open a specific malicious URL.

Why this priority

High severity

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

Risk facts

CVSS score	8.1 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	1.2% (top 32%)
CISA exploited list	No
Weakness	CWE-94, CWE-601
Published	2019-08-01
Last modified	2026-06-17

Publisher (CNA): KrCERT/CC · Vendor: happypointcard

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

Am I affected?

Timeline

2019-08-01 17:15 UTCPublished CVE record published
2026-06-17 02:43 UTCUpdated Record last modified

happypointcard happypoint DOWNGRADE

Affected: 6.3.19

Fixed in: no fixed release known

Safe to downgrade to: a release before 6.3.19

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 6.3.19 (Debian / Ubuntu)

apt-cache madison happypoint sudo apt install happypoint=<VERSION_BEFORE_6.3.19> sudo apt-mark hold happypoint

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

dnf --showduplicates list happypoint sudo dnf downgrade happypoint-<VERSION_BEFORE_6.3.19> sudo dnf versionlock add happypoint

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-2019-9140?

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

Is CVE-2019-9140 being exploited?

CVE-2019-9140 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-2019-9140 affect?

CVE-2019-9140 affects happypoint. Severity is high (CVSS 8.1). When processing Deeplink scheme, Happypoint mobile app 6.3.19 and earlier versions doesn't check Deeplink URL correctly. This could lead to javascript code execution, url redirection, sensitive information disclosure. An attacker can exploi

How urgent is CVE-2019-9140?

Priority 45/100. High severity

References

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