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PatchSiren cyber security CVE debrief

CVE-2020-0041 Android CVE debrief

CISA lists CVE-2020-0041 as an Android Kernel out-of-bounds write vulnerability in its Known Exploited Vulnerabilities catalog. Because it is included in KEV, defenders should treat it as a patch priority and follow vendor update guidance. The supplied source corpus does not include additional technical detail beyond the vulnerability name and remediation direction.

Vendor
Android
Product
Android Kernel
CVSS
Unknown
CISA KEV
Listed
Original CVE published
2021-11-03
Original CVE updated
2021-11-03
Advisory published
2021-11-03
Advisory updated
2021-11-03

Who should care

Android device fleet owners, mobile security teams, OEM/OS update managers, and incident response teams responsible for Android Kernel patching.

Technical summary

The official metadata identifies CVE-2020-0041 as an Android Kernel out-of-bounds write vulnerability. CISA’s KEV record marks it as known exploited and points to the official NVD and CVE records for reference. The supplied corpus does not provide exploit conditions, affected components beyond Android Kernel, or impact specifics.

Defensive priority

High. A KEV listing indicates confirmed exploitation, and CISA sets a remediation due date, so affected Android deployments should be reviewed and patched as soon as vendor guidance is available.

Recommended defensive actions

  • Apply updates per vendor instructions.
  • Inventory Android devices and kernel-based deployments to determine exposure.
  • Verify that the applicable OEM or platform patch addressing CVE-2020-0041 has been deployed.
  • Validate patch status across managed fleets and track exceptions until remediated.

Evidence notes

All substantive facts in this debrief come from CISA’s KEV entry for CVE-2020-0041 and the linked official CVE/NVD resources. The supplied source item identifies the issue as an Android Kernel out-of-bounds write vulnerability, records it as known exploited, and instructs defenders to apply vendor updates. No additional technical details were provided in the corpus.

Sources and references

Verified primary and authoritative sources

  • CVE-2020-0041 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2020-0041

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2020-0041 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2020-0041

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

  • CISA Known Exploited Vulnerabilities catalog

    Publisher, destination, and source semantics verified

    URL: https://www.cisa.gov/known-exploited-vulnerabilities-catalog

    Cybersecurity and Infrastructure Security Agency - Official CISA catalog of vulnerabilities known to be exploited in the wild.

Supplemental references

  • Source item URL

    Unverified legacy reference

    URL: https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json

    cisa_kev

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.