// For flags

CVE-2023-4260

Potential off-by-one buffer overflow vulnerability in the Zephyr FS subsystem

Severity Score

10.0
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

Potential off-by-one buffer overflow vulnerability in the Zephyr fuse file system.

Posible vulnerabilidad de desbordamiento del búfer uno por uno en el sistema de archivos del fusible Zephyr.

Zephyr RTOS versions 3.5.0 and below suffer from a multitude of buffer overflow vulnerabilities.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
Low
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2023-08-08 CVE Reserved
  • 2023-09-26 CVE Published
  • 2025-02-13 CVE Updated
  • 2025-02-13 First Exploit
  • 2025-04-15 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
  • CWE-193: Off-by-one Error
CAPEC
  • CAPEC-153: Input Data Manipulation
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Zephyrproject
Search vendor "Zephyrproject"
 Zephyr
Search vendor "Zephyrproject" for product "Zephyr"
 <= 3.4.0
Search vendor "Zephyrproject" for product "Zephyr" and version " <= 3.4.0"
-
Affected