Vulnerability · Published May 11, 2020 · Assigned by zephyr
CVE-2020-10021Out-of-bounds write in USB Mass Storage with unaligned sizes
High 8.1
In plain English
A high-severity out-of-bounds write in zephyr from zephyrproject-rtos. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 35% of all known vulnerabilities).
Severity (CVSS 3.1)8.1High
Exploit odds (30 days)0.4%top 64.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Out-of-bounds Write in the USB Mass Storage memoryWrite handler with unaligned Sizes See NCC-ZEP-024, NCC-ZEP-025, NCC-ZEP-026 This issue affects: zephyrproject-rtos zephyr version 1.14.1 and later versions. version 2.1.0 and later versions.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| zephyrproject-rtos | zephyr | 1.14.1 – before unspecified2.1.0 – before unspecified |
Weakness: CWE-787 · Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
References
- https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-26 x_refsource_MISC
- https://github.com/zephyrproject-rtos/zephyr/pull/23240 x_refsource_MISC
- https://github.com/zephyrproject-rtos/zephyr/pull/23455 x_refsource_MISC
- https://github.com/zephyrproject-rtos/zephyr/pull/23456 x_refsource_MISC
- https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10021 x_refsource_MISC