3.3

CVE-2020-13599: zephyrproject-rtos zephyr Incorrect Default Permissions

CVSS: 3.3v3.1LowModified
Published 24-05-2021Last modified 17-09-2024
Open JSON

Vulnerability summary

CVE-2020-13599 is a low (CVSS 3.3) Incorrect Default Permissions vulnerability in zephyrproject-rtos zephyr. EPSS estimates a 0.23% chance of exploitation in the next 30 days, higher than 13.2% of scored vulnerabilities.

Overall risk
13/100
0100
Low · default modelHow is this calculated?
CVSS score
3.3/10
010
Low · v3.1 (CVE.org)
EPSS score
0.23%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 24-05-2021
    PublishedVulnerability first disclosed.
  2. 17-09-2024
    Last modifiedVulnerability information updated.

Description

Security problem with settings and littlefs. Zephyr versions >= 1.14.2, >= 2.3.0 contain Incorrect Default Permissions (CWE-276). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-5qhg-j6wc-4f6q

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

0.23%

Chance of exploitation in the next 30 days

Percentile

13%

Versus all other CVEs

30-day change

0.00 pp

From 0.23% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.23%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Zephyrproject1 product
  • zephyr≤ 1.14.2 | ≥ 2.0.0, ≤ 2.3.0
Zephyrproject-rtos1 product
  • zephyr≥ 1.14.2, < unspecified | ≥ 2.3.0, < unspecified

2 vendors · 2 products

References

2 links