How severe is CVE-2018-18976?

CVE-2018-18976 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2018-18976 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-18976?

CVE-2018-18976 primarily affects Ascensia Contour Diabetes. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-18976?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-18976 published?

CVE-2018-18976 was published on 2019-05-06 and last updated on 2026-06-17.

CVE-2018-18976

CVE-2018-18976 is a medium-severity vulnerability in Ascensia Contour Diabetes with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-639.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 1% (63rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-639
Affected product: Ascensia Contour Diabetes
Published: 2019-05-06
Last modified: 2026-06-17

Description

An issue was discovered in the Ascensia Contour NEXT ONE application for iOS and Android before 2019-01-15. An attacker may retrieve encrypted medical information of any user of the Ascensia cloud platform by performing Direct Object References with a series of user ID values. (This information can be decrypted through a different vulnerability.)

Frequently asked questions

What is CVE-2018-18976?: An issue was discovered in the Ascensia Contour NEXT ONE application for iOS and Android before 2019-01-15. An attacker may retrieve encrypted medical information of any user of the Ascensia cloud platform by performing Direct Object References with a series of user ID values. (This information can be decrypted through a different vulnerability.)
How severe is CVE-2018-18976?: CVE-2018-18976 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2018-18976 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-18976?: CVE-2018-18976 primarily affects Ascensia Contour Diabetes. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-18976?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-18976 published?: CVE-2018-18976 was published on 2019-05-06 and last updated on 2026-06-17.

References

https://depthsecurity.com/blog/medical-exploitation-you-are-now-diabetic

Affected products (2)

cpe:2.3:a:ascensia:contour_diabetes:*:*:*:*:*:iphone_os:*:*
cpe:2.3:a:ascensia:contour_diabetes:*:*:*:*:*:android:*:*

More vulnerabilities in Ascensia Contour Diabetes

CVE-2018-18977 — High (CVSS 7.5): An issue was discovered in the Ascensia Contour NEXT ONE application for Android before 2019-01-15. An attacker may…
CVE-2018-18975 — High (CVSS 7.5): An issue was discovered in the Ascensia Contour NEXT ONE app for iOS before 2019-01-15. An attacker may proxy…
CVE-2018-18979 — High (CVSS 7.4): An issue was discovered in the Ascensia Contour NEXT ONE application for Android before 2019-01-15. It has a statically…
CVE-2018-18978 — High (CVSS 7.4): An issue was discovered in the Ascensia Contour NEXT ONE application for Android before 2019-01-15. It has a statically…

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