CVE-2023-0779
net: shell: Improper input validation
At the most basic level, an invalid pointer can be input that crashes the device, but with more knowledge of the device’s memory layout, further exploitation is possible.
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- High
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
6.7
net: shell: Improper input validation
At the most basic level, an invalid pointer can be input that crashes the device, but with more knowledge of the device’s memory layout, further exploitation is possible.
- Record
CVE-2023-0779- CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:H - Weakness
- CWE-20
- Updated
- 2026-11-02
EUVDEUVD-2023-12794
6.7
At the most basic level, an invalid pointer can be input that crashes the device, but with more knowledge of the device’s memory layout, further exploitation is possible.
- Record
EUVD-2023-12794- CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:H - Updated
- 2026-11-03
NVD
6.7
At the most basic level, an invalid pointer can be input that crashes the device, but with more knowledge of the device’s memory layout, further exploitation is possible.
- Record
CVE-2023-0779- CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:H - CVSS 3.1
- 7.7 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:H - Weakness
- CWE-20, CWE-476
- Updated
- 2026-11-02
OSV
6.7
net: shell: Improper input validation
At the most basic level, an invalid pointer can be input that crashes the device, but with more knowledge of the device’s memory layout, further exploitation is possible.
- Record
CVE-2023-0779- CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:H - Weakness
- CWE-20
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-0779 is a medium vulnerability (CVSS 6.7) in Zephyrproject Zephyr, published May 30, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.52%, the 44th percentile. No source names a fixed version.