VulnerabilityModified
CVE-2020-10021
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.
HIGH 7.8EPSS 0.41%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.41%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.41% probability · 35th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- zephyrproject/zephyr
- Source
- vulnerabilities@zephyrproject.org
References
- https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10021
- https://github.com/zephyrproject-rtos/zephyr/pull/23240Patch, Third Party Advisory
- https://github.com/zephyrproject-rtos/zephyr/pull/23455Patch, Third Party Advisory
- https://github.com/zephyrproject-rtos/zephyr/pull/23456Patch, Third Party Advisory
- https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-26Third Party Advisory
- https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10021
- https://github.com/zephyrproject-rtos/zephyr/pull/23240Patch, Third Party Advisory
- https://github.com/zephyrproject-rtos/zephyr/pull/23455Patch, Third Party Advisory
- https://github.com/zephyrproject-rtos/zephyr/pull/23456Patch, Third Party Advisory
- https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-26Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.