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CVE-2020-10068
Zephyr Bluetooth DLE duplicate requests vulnerability
Medium5.1EPSS 0.50%
- Published
- Updated
- Reserved
- Assigned by
- zephyr
Description
In the Zephyr project Bluetooth subsystem, certain duplicate and back-to-back packets can cause incorrect behavior, resulting in a denial of service. This issue affects: zephyrproject-rtos zephyr version 2.2.0 and later versions, and version 1.14.0 and later versions.
Timeline
ID reserved
By zephyr
- 3 months later
· 3 months later
Published
- 4 years later
· 4 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| zephyrCNA (assigner) | 3.1 | Medium5.1 | CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVDNVD · Modified | 3.1 | Medium6.5 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.50% · top 57% of all CVEs (7 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.1.
Weakness
Affected products
- affected 2.2.0 – < unspecified
- affected 1.14.0 – < unspecified
References (6)
- https://github.com/zephyrproject-rtos/zephyr/pull/23091 (opens in a new tab)x_refsource_MISCx_transferred
- https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-78 (opens in a new tab)x_refsource_MISCx_transferred
- https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10068 (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/zephyrproject-rtos/zephyr/pull/23707 (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/zephyrproject-rtos/zephyr/pull/23708 (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/zephyrproject-rtos/zephyr/pull/23964 (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2020-10068)Record last updated .