CVE-2014-5951: The SinoPac (aka com.sionpac.app.SinoPac) application 2.4.2 for Android does not verify X.509 certificates fro

Routine

MEDIUM 5.4DOWNGRADE

CVE-2014-5951 is a medium-severity flaw (CVSS 5.4) affecting sinopac. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The SinoPac (aka com.sionpac.app.SinoPac) application 2.4.2 for Android does not verify X.509 certificates from SSL servers, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	5.4 (Medium)
EPSS exploit chance	0.3% (top 81%)
CISA exploited list	No
Weakness	CWE-310
Published	2014-09-18
Last modified	2026-06-17

Publisher (CNA): CERT/CC · Vendor: sinopac

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

Am I affected?

Timeline

2014-09-18 10:55 UTCPublished CVE record published
2026-06-17 00:12 UTCUpdated Record last modified

sinopac sinopac DOWNGRADE

Affected: 2.4.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.4.2

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2.4.2 (Debian / Ubuntu)

apt-cache madison sinopac sudo apt install sinopac=<VERSION_BEFORE_2.4.2> sudo apt-mark hold sinopac

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

dnf --showduplicates list sinopac sudo dnf downgrade sinopac-<VERSION_BEFORE_2.4.2> sudo dnf versionlock add sinopac

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-2014-5951?

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

Is CVE-2014-5951 being exploited?

CVE-2014-5951 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-2014-5951 affect?

CVE-2014-5951 affects sinopac. Severity is medium (CVSS 5.4). The SinoPac (aka com.sionpac.app.SinoPac) application 2.4.2 for Android does not verify X.509 certificates from SSL servers, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificat

How urgent is CVE-2014-5951?

Priority 24/100. No elevated risk signals yet.

Software pages

Android vulnerabilities

References

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