How severe is CVE-2018-21076?

CVE-2018-21076 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2018-21076 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-21076?

CVE-2018-21076 primarily affects Google Android. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-21076?

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

When was CVE-2018-21076 published?

CVE-2018-21076 was published on 2020-04-08 and last updated on 2026-06-17.

CVE-2018-21076

CVE-2018-21076 is a medium-severity vulnerability in Google Android with a CVSS 3.x base score of 5.5. 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-200.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 2.1
EPSS exploit prediction: 0% (3rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Google Android
Published: 2020-04-08
Last modified: 2026-06-17

Description

An issue was discovered on Samsung mobile devices with N(7.x) (Exynos8890/8895 chipsets) software. There is information disclosure (a KASLR offset) in the Secure Driver via a modified trustlet. The Samsung ID is SVE-2017-10987 (April 2018).

Frequently asked questions

What is CVE-2018-21076?: An issue was discovered on Samsung mobile devices with N(7.x) (Exynos8890/8895 chipsets) software. There is information disclosure (a KASLR offset) in the Secure Driver via a modified trustlet. The Samsung ID is SVE-2017-10987 (April 2018).
How severe is CVE-2018-21076?: CVE-2018-21076 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2018-21076 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-21076?: CVE-2018-21076 primarily affects Google Android. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-21076?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-21076 published?: CVE-2018-21076 was published on 2020-04-08 and last updated on 2026-06-17.

References

https://security.samsungmobile.com/securityUpdate.smsb

Affected products (4)

cpe:2.3:o:google:android:7.0:*:*:*:*:*:*:*
cpe:2.3:o:google:android:7.1.0:*:*:*:*:*:*:*
cpe:2.3:o:google:android:7.1.1:*:*:*:*:*:*:*
cpe:2.3:o:google:android:7.1.2:*:*:*:*:*:*:*

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