CVE-2020-0306

Name: CVE-2020-0306
Creator: NVD / NIST
Published: 2020-09-17T21:15:14.003+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.17%

Last modified Jun 17, 2026

CVE-2020-0306 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. In LLVM, there is a possible ineffective stack cookie placement due to stack frame double reservation. This could lead to local escalation of privilege with no additional execution privileges needed. EPSS estimates a 0.17% chance of exploitation in the next 30 days.

Description

In LLVM, there is a possible ineffective stack cookie placement due to stack frame double reservation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-139666480

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.17%

6.7th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Google	Android	11.0

References

https://source.android.com/security/bulletin/android-11Vendor Advisory
https://source.android.com/security/bulletin/android-11Vendor Advisory

Timeline

Published: Sep 17, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-0306?

How severe is CVE-2020-0306?

CVE-2020-0306 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.17% probability of exploitation in the next 30 days.

How do I fix CVE-2020-0306?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-0306?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST