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HIGH · CVSS 7.8 CISA Known Exploited Vulnerability

CVE-2023-35674

Android Framework Privilege Escalation Vulnerability

Android Framework

In onCreate of WindowState.java, there is a possible way to launch a background activity due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

CVSS
7.8
HIGH
EPSS
2.6%
30-day exploitation
Ransomware groups
0
recorded exploiting
Published
11 Sep 2023
CWE-269

Exploitation status

CISA Known Exploited Vulnerabilities

Listed by CISA on 13 September 2023. US federal agencies were required to remediate it by 4 October 2023.

EPSS — exploitation probability

FIRST puts the probability of exploitation activity in the next 30 days at 2.6%, which is higher than 85.7% of all scored vulnerabilities. EPSS is a forecast of activity, not a measure of severity, and it is rescored daily.

CVSS vector

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

Frequently asked questions

Is CVE-2023-35674 being exploited by ransomware groups?

No ransomware group in this database is currently recorded as exploiting CVE-2023-35674.

What does CVE-2023-35674 affect?

CVE-2023-35674 affects Android Framework. In onCreate of WindowState.java, there is a possible way to launch a background activity due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

How severe is CVE-2023-35674?

CVE-2023-35674 is rated HIGH with a CVSS base score of 7.8. EPSS puts the probability of exploitation in the next 30 days at 2.6%, higher than 85.7% of all scored vulnerabilities. It is listed in the CISA Known Exploited Vulnerabilities catalog, with a federal remediation deadline of 4 October 2023.

How should organisations respond to CVE-2023-35674?

Apply the vendor patch for Android Framework as the first priority, and treat any internet-facing instance as the most urgent. Because this vulnerability is associated with ransomware activity, also review whether the affected systems were reachable before patching, rather than assuming that patching alone closes the incident.