CVE-2020-0041: in the CISA KEV catalogue
Android Kernel Out-of-Bounds Write Vulnerability. CISA added CVE-2020-0041 to the Known Exploited Vulnerabilities catalogue on 2021-11-03 with a default due date of 2022-05-03. Known ransomware campaign use: Unknown. Forensic triage flag: No.
Android Kernel binder_transaction of binder.c contains an out-of-bounds write vulnerability due to an incorrect bounds check that could allow for local privilege escalation. This vulnerability was observed chained with CVE-2019-2215 and CVE-2020-0069 under exploit chain "AbstractEmu." (CISA description)
- Vendor / product
- Android Android Kernel
- CWE
- CWE-20
- CISA required action
- Apply updates per vendor instructions.
- EPSS
- 3.2%, percentile 88 (scored 2026-11-03)
EPSS puts about 3.2 in 100 odds (3.2%) on exploitation activity being observed in the next 30 days. Its score is higher than or equal to that of 88% of scored CVEs. This is a model estimate about exploitation anywhere, not about your environment.
Vendor and reference links (from CISA)
Your own deadline under CISA BOD 26-04 depends on exposure, automatability and technical impact: work it out with the BOD 26-04 calculator.
Frequently asked questions
Is CVE-2020-0041 in the CISA KEV catalogue?
Yes. CISA added CVE-2020-0041 (Android Kernel Out-of-Bounds Write Vulnerability) to the Known Exploited Vulnerabilities catalogue on 2021-11-03. CISA's default due date for it is 2022-05-03.
Is CVE-2020-0041 used in ransomware attacks?
CISA marks known ransomware campaign use as Unknown for CVE-2020-0041. That means CISA lacks confirmation, not that ransomware groups do not use it.
What should I do about CVE-2020-0041?
CISA's required action: Apply updates per vendor instructions.
Sources
- CISA, Known Exploited Vulnerabilities Catalog (accessed 2026-11-03)
- FIRST, Exploit Prediction Scoring System (EPSS) (EPSS by FIRST; scores generated by Empirical Security)
- NVD record for CVE-2020-0041