CVE-2023-21138

HIGHCVSS 7.8/10EPSS 0.08%

Last modified

CVE-2023-21138 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. In onNullBinding of CallRedirectionProcessor.java, there is a possible long lived connection due to improper input validation. This could lead to local escalation of privilege and background activity launches with User execution privileges needed. EPSS estimates a 0.08% chance of exploitation in the next 30 days.

Description

In onNullBinding of CallRedirectionProcessor.java, there is a possible long lived connection due to improper input validation. This could lead to local escalation of privilege and background activity launches with User execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-12 Android-12L Android-13Android ID: A-273260090

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
0.08%

0.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
GoogleAndroid11.0
GoogleAndroid12.0
GoogleAndroid12.1
GoogleAndroid13.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2023-21138?
In onNullBinding of CallRedirectionProcessor.java, there is a possible long lived connection due to improper input validation. This could lead to local escalation of privilege and background activity launches with User execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-12 Android-12L Android-13Android ID: A-273260090
How severe is CVE-2023-21138?
CVE-2023-21138 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.08% probability of exploitation in the next 30 days.
How do I fix CVE-2023-21138?
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-2023-21138?

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

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Source: NVD / NIST