CVE-2018-18977: An issue was discovered in the Ascensia Contour NEXT ONE application for Android before 2019-01-15

Q: How do I fix CVE-2018-18977?

contour diabetes: upgrade to 2.5.0. Exact commands for each OS are on this page.

Q: Is CVE-2018-18977 being exploited?

CVE-2018-18977 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-2018-18977 affect?

CVE-2018-18977 affects contour diabetes. Severity is high (CVSS 7.5). An issue was discovered in the Ascensia Contour NEXT ONE application for Android before 2019-01-15. An attacker may reverse engineer the codebase to extract sensitive data that contributes to the disclosure of medical information of patient

Q: How urgent is CVE-2018-18977?

Priority 55/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

HIGH 7.5REMOTEUPGRADE

CVE-2018-18977 is a high-severity flaw (CVSS 7.5) affecting contour diabetes. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue was discovered in the Ascensia Contour NEXT ONE application for Android before 2019-01-15. An attacker may reverse engineer the codebase to extract sensitive data that contributes to the disclosure of medical information of patients utilizing the Ascensia platform. This occurs because of weak obfuscation.

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.6% (top 25%)
CISA exploited list	No
Weakness	CWE-200
Published	2019-05-06
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: ascensia

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

Am I affected?

Timeline

2019-05-06 20:29 UTCPublished CVE record published
2026-06-17 01:48 UTCUpdated Record last modified

ascensia contour diabetes UPGRADE

Affected: < 2.5.0

Fixed in: 2.5.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy contour-diabetes || rpm -q contour-diabetes || contour-diabetes --version

2. UPGRADE to 2.5.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade contour-diabetes

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade contour-diabetes

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-2018-18977?

contour diabetes: upgrade to 2.5.0. Exact commands for each OS are on this page.

Is CVE-2018-18977 being exploited?

CVE-2018-18977 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-2018-18977 affect?

CVE-2018-18977 affects contour diabetes. Severity is high (CVSS 7.5). An issue was discovered in the Ascensia Contour NEXT ONE application for Android before 2019-01-15. An attacker may reverse engineer the codebase to extract sensitive data that contributes to the disclosure of medical information of patient

How urgent is CVE-2018-18977?

Priority 55/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

Android vulnerabilities

Related CVEs

CVE-2018-18979 HIGH 7.4 UPGRADE An issue was discovered in the Ascensia Contour NEXT ONE application for Android before 2019-01-15
CVE-2018-18978 HIGH 7.4 UPGRADE An issue was discovered in the Ascensia Contour NEXT ONE application for Android before 2019-01-15
CVE-2018-18976 MEDIUM 5.3 UPGRADE UPGRADE An issue was discovered in the Ascensia Contour NEXT ONE application for iOS and Android before 2019-01-15
CVE-2018-18975 HIGH 7.5 UPGRADE An issue was discovered in the Ascensia Contour NEXT ONE app for iOS before 2019-01-15

References

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