TI-2020-08090 Aliases CVE-2020-10023 GHSA-ccj2-xhg7-jrxc

Shell Subsystem Contains a Buffer Overflow Vulnerability In shell_spaces_trim

LOW 31CWE-120Published 2020-05-11 · Updated 2024-09-16

Key facts

Attack vector: Physical
Privileges required: Low
User interaction: Required
Attack complexity: High
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.

Summary

The shell subsystem contains a buffer overflow, whereby an adversary with physical access to the device is able to cause a memory corruption, resulting in denial of service or possibly code execution within the Zephyr kernel. See NCC-NCC-019 This issue affects: zephyrproject-rtos zephyr version 1.14.0 and later versions. version 2.1.0 and later versions.

Why it matters now

EPSS 0.00474 41st percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
zephyrproject	zephyr	1.14.0 and later; 2.1.0 and later	—	No fix listed	CNA

zephyr Vendorzephyrproject Affected 1.14.0 and later; 2.1.0 and later Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:o:zephyrproject:zephyr:1.14.1:::::::*	1.14.1	Vulnerable	zephyrproject
cpe:2.3:o:zephyrproject:zephyr:2.1.0:::::::*	2.1.0	Vulnerable	zephyrproject

cpe:2.3:o:zephyrproject:zephyr:1.14.1:*:*:*:*:*:*:* Versions 1.14.1 Vulnerable ·zephyrproject
cpe:2.3:o:zephyrproject:zephyr:2.1.0:*:*:*:*:*:*:* Versions 2.1.0 Vulnerable ·zephyrproject

Remediation

No fixed version listed by the sources yet.

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

Release · 2020-05-11
zephyrproject-rtos zephyr unspecified
11 records Highest priority Priority MEDIUM 1 MEDIUM, 10 LOW
Other records, highest priority first
- TI-2020-08089 UpdateHub Module Copies a Variable-Size Hash String Into a Fixed-Size ArrayPriority MEDIUM 47
- TI-2020-08117 UpdateHub Might Dereference An Uninitialized PointerPriority LOW 38
- TI-2020-08087 Buffer Overflow in USB DFU requested lengthPriority LOW 36
Show all 11 records →

Timeline

2026-10-02 Threatist record created from CVE-2020-10023
2026-10-03 Alias added: GHSA-ccj2-xhg7-jrxc

References

Patch 3

Advisory 1

https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-29

Other 1

https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10023

TI-2026-04422 Out-of-bounds read/write in HTTP WebSocket upgrade via non-null-terminated Sec-WebSocket-Key CVSS 3.1CRITICAL 9.8
TI-2026-01361 dns: memory‑safety issue in the DNS name parser CVSS 3.1CRITICAL 9.8
TI-2026-09174 Unterminated URI buffer causes out-of-bounds read in LwM2M firmware pull (Package URI) CVSS 3.1CRITICAL 9.1
TI-2026-09168 Stack buffer overflow in `net_ipaddr_parse()` IPv4 address-with-port parsing in `subsys/net/ip/utils.c` CVSS 3.1CRITICAL 9.8
TI-2024-09625 net: lib: http_server: Buffer Under-read CVSS 3.1HIGH 8.6
TI-2021-02863 Usb bluetooth device ACL read cb buffer overflow CVSS 3.1CRITICAL 9.6

See all 196 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences