Integer overflow in Zephyrproject Zephyr
CVE-2020-10063
A remote adversary with the ability to send arbitrary CoAP packets to be parsed by Zephyr is able to cause a denial of service. This issue affects: zephyrproject-rtos zephyr version 2.2.0 and later versions.
Vulnerability class: Integer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.018 (77.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 77.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000
Affected products
- Zephyrproject Zephyr
- Zephyrproject-Rtos Zephyr — versions 2.2.0, 2.1.0, 1.14.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- zephyrprojectsec.atlassian.net/browse/ZEPSEC-55 (Permissions Required)
- docs.zephyrproject.org/latest/security/vulnerabilities.html (Vendor Advisory)
- github.com/zephyrproject-rtos/zephyr/pull/24435 (Patch, Third Party Advisory)
- github.com/zephyrproject-rtos/zephyr/pull/24531 (Patch, Third Party Advisory)
- github.com/zephyrproject-rtos/zephyr/pull/24535 (Patch, Third Party Advisory)
- github.com/zephyrproject-rtos/zephyr/pull/24530 (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-10063?
- CVE-2020-10063 is a medium-severity vulnerability in Zephyrproject Zephyr, classified under Integer Overflow or Wraparound. CVSS score: 6.8/10. Published 2020-06-05.
- How severe is CVE-2020-10063?
- Medium severity. CVSS v3 base score is 6.8 out of 10.
- Is CVE-2020-10063 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.