CVE-2018-5298: In the Procter & Gamble "Oral-B App" (aka com.pg.oralb.oralbapp) application 5.0.0 for Android, AES encryption

This month

HIGH 7.5REMOTEDOWNGRADE

CVE-2018-5298 is a high-severity flaw (CVSS 7.5) affecting oral-b app. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

In the Procter & Gamble "Oral-B App" (aka com.pg.oralb.oralbapp) application 5.0.0 for Android, AES encryption with static parameters is used to secure the locally stored shared preferences. An attacker can gain access to locally stored user data more easily by leveraging access to the preferences XML file.

Why this priority

High severity
Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 65%)
CISA exploited list	No
Weakness	CWE-326
Published	2018-01-08
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: pg

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

Am I affected?

Timeline

2018-01-08 08:29 UTCPublished CVE record published
2026-06-17 02:00 UTCUpdated Record last modified

pg oral-b app DOWNGRADE

Affected: 5.0.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 5.0.0

1. Check installed version

apt-cache policy oral-b-app || rpm -q oral-b-app || oral-b-app --version

2. No fixed release: DOWNGRADE to a release before 5.0.0 (Debian / Ubuntu)

apt-cache madison oral-b-app sudo apt install oral-b-app=<VERSION_BEFORE_5.0.0> sudo apt-mark hold oral-b-app

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

dnf --showduplicates list oral-b-app sudo dnf downgrade oral-b-app-<VERSION_BEFORE_5.0.0> sudo dnf versionlock add oral-b-app

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-2018-5298?

oral-b app: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2018-5298 being exploited?

CVE-2018-5298 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-2018-5298 affect?

CVE-2018-5298 affects oral-b app. Severity is high (CVSS 7.5). In the Procter & Gamble "Oral-B App" (aka com.pg.oralb.oralbapp) application 5.0.0 for Android, AES encryption with static parameters is used to secure the locally stored shared preferences. An attacker can gain access to locally stored use

How urgent is CVE-2018-5298?

Priority 40/100. High severity; Remotely exploitable, no login, no user action

Software pages

Android vulnerabilities

References

← Back to latest CVEs