CVE-2021-27435
ARM mbed Integer Overflow or Wraparound
CRITICAL 9.8EPSS 1.9%
ARM mbed product Version 6.3.0 is vulnerable to integer wrap-around in malloc_wrapper function, which can lead to arbitrary memory allocation, resulting in unexpected behavior such as a crash or a remote code injection/execution.
- Affected
- ARM · mbed
- CVSS v3.1 NVD
- 9.8 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS v3.1 HQ
- 7.3 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L - CVSS v2.0 NVD
- 7.5 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P - EPSS
- 1.86% chance of exploitation in the next 30 days, 79th percentile
- Published
- 2022-05-03
- Updated
- 2025-04-16
Proof-of-concept exploits (1)
- ARMmbed/mbed-os/pull/144084878★ · 2024-10-08