CVE-2021-0330

HIGHCVSS 7.8/10EPSS 0.26%

Last modified

CVE-2021-0330 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. In add_user_ce and remove_user_ce of storaged.cpp, there is a possible use-after-free due to improper locking. This could lead to local escalation of privilege in storaged with no additional execution privileges needed. EPSS estimates a 0.26% chance of exploitation in the next 30 days.

Description

In add_user_ce and remove_user_ce of storaged.cpp, there is a possible use-after-free due to improper locking. This could lead to local escalation of privilege in storaged with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-9 Android-10 Android-11Android ID: A-170732441

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
0.26%

17.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
GoogleAndroid9.0
GoogleAndroid10.0
GoogleAndroid11.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-0330?
In add_user_ce and remove_user_ce of storaged.cpp, there is a possible use-after-free due to improper locking. This could lead to local escalation of privilege in storaged with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-9 Android-10 Android-11Android ID: A-170732441
How severe is CVE-2021-0330?
CVE-2021-0330 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.26% probability of exploitation in the next 30 days.
How do I fix CVE-2021-0330?
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-2021-0330?

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

Scan your code now

Source: NVD / NIST