5.7

CVE-2020-10066: zephyrproject-rtos zephyr NULL Pointer Dereference

CVSS: 5.7v3.1MediumModified
Published 24-05-2021Last modified 17-09-2024
Open JSON

Vulnerability summary

CVE-2020-10066 is a medium (CVSS 5.7) NULL Pointer Dereference vulnerability in zephyrproject-rtos zephyr. EPSS estimates a 0.21% chance of exploitation in the next 30 days, higher than 10.2% of scored vulnerabilities.

Overall risk
23/100
0100
Low · default modelHow is this calculated?
CVSS score
5.7/10
010
Medium · v3.1 (NVD)
EPSS score
0.21%
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

Incorrect Error Handling in Bluetooth HCI core. Zephyr versions >= v1.14.2, >= v2.2.0 contain NULL Pointer Dereference (CWE-476). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-gc66-xfrc-24qr

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

0.21%

Chance of exploitation in the next 30 days

Percentile

10%

Versus all other CVEs

30-day change

0.00 pp

From 0.21% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.21%

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, ≤ 2.2.0
Zephyrproject-rtos1 product
  • zephyr≥ v1.14.2, < unspecified | ≥ v2.2.0, < unspecified

2 vendors · 2 products

References

1 links