# CVE-2021-25369: Samsung Mobile Devices Improper Access Control Vulnerability

Source: https://junglewise.ai/threats/cve-2021-25369-samsung-mobile-devices-improper-access-control-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2022-11-08. Updated: 2026-05-10  
License: CC BY 4.0 with a link back

CVE-2021-25369 · Severity: critical · CVSS 6.2 · Exploited in the wild · Published 2022-11-08

Samsung mobile devices using Mali GPUs contain an improper access control vulnerability in the sec_log file. This flaw allows the exposure of sensitive kernel information to userspace and has been observed being chained with other vulnerabilities in the wild.

Technologies: [Samsung Mobile Devices](https://junglewise.ai/threats/technologies/mobile-devices). Vendors: [Samsung](https://junglewise.ai/threats/vendors/samsung).

## Quick answers

**Is CVE-2021-25369 exploited in the wild?** Yes. CVE-2021-25369 is known to be exploited in the wild, first recorded on 8 November 2022. Treat it as urgent.

**How severe is CVE-2021-25369?** Critical severity, with a CVSS score of 6.2, published 8 November 2022.

**Which products and versions are affected?** Google Android 8.0, 8.1, 9.0, 10.0; Samsung Android Prior to SMR MAR-2021 Release 1.

**Is there a fix for CVE-2021-25369?** A patch was published on 2021-03-01: SMR MAR-2021 Release 1 Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2021-25369 attacked?** It is attacked with local access, in an operating system.

**Am I affected by CVE-2021-25369?** Check whether you run Samsung Mobile Devices. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- Google Android 8.0, 8.1, 9.0, 10.0
- Samsung Android Prior to SMR MAR-2021 Release 1

## Timeline

- 2021-03-26: disclosed: NVD Published Date
- 2021-03-01: patched: SMR MAR-2021 Release 1
- 2022-11-08: kev added: Added to CISA Known Exploited Vulnerabilities Catalog

## Related threats

- [Samsung Mobile Devices out-of-bounds write in libimagecodec.quram.so](https://junglewise.ai/threats/cve-2025-21042-samsung-mobile-devices-out-of-bounds-write-in-libimagecodec-quram)
- [Samsung Mobile Devices out-of-bounds write in libimagecodec.quram.so](https://junglewise.ai/threats/cve-2025-21043-samsung-mobile-devices-out-of-bounds-write-in-libimagecodec-quram)
- [Samsung Mobile Devices Use-After-Free Vulnerability](https://junglewise.ai/threats/cve-2022-22265-samsung-mobile-devices-use-after-free-vulnerability)
- [Samsung Mobile Devices Unspecified Vulnerability](https://junglewise.ai/threats/cve-2021-25371-samsung-mobile-devices-unspecified-vulnerability)
- [Samsung Mobile Devices Improper Boundary Check Vulnerability](https://junglewise.ai/threats/cve-2021-25372-samsung-mobile-devices-improper-boundary-check-vulnerability)