High severity · published May 25, 2021
CVE-2020-13598
FS: Buffer Overflow when enabling Long File Names in FAT_FS and calling fs_stat
7.8
CVSS
0.2%
EPSS
No
On KEV
Description
FS: Buffer Overflow when enabling Long File Names in FAT_FS and calling fs_stat. Zephyr versions >= v1.14.2, >= v2.3.0 contain Stack-based Buffer Overflow (CWE-121). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-7fhv-rgxr-x56h
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 15% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ZE
Zephyr · Zephyrproject
through 1.14.2; 2.0.0 through 2.3.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-13598
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-13598
Third Party Advisory
http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-7fhv-rgxr-x56h
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