CVE-2020-10063: zephyrproject-rtos zephyr Integer Overflow or Wraparound
CVSS: 7.5v3.1HighModified
Published 05-06-2020Last modified 17-09-2024
Vulnerability summary
CVE-2020-10063 is a high (CVSS 7.5) Integer Overflow or Wraparound vulnerability in zephyrproject-rtos zephyr. EPSS estimates a 1.80% chance of exploitation in the next 30 days, higher than 78.3% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.1 (NVD)EPSS score
1.80%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 05-06-2020PublishedVulnerability first disclosed.
- 17-09-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
3 scores · 2 sources · 2 versionsHigh 7.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSources2 sources · 6.8–7.5
- CVE.orgCNA6.8MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:HDiffers
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
1.80%
Chance of exploitation in the next 30 days
Percentile
78%
Versus all other CVEs
30-day change
0.00 pp
From 1.80% on 21-09-2026
21-09-202621-10-2026
EPSS score1.80%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Zephyrproject1 product
- zephyr≤ 2.2.0
Zephyrproject-rtos1 product
- zephyr≥ 2.2.0, < unspecified | ≥ 2.1.0, < unspecified | ≥ 1.14.0, < unspecified
2 vendors · 2 products