01 Record
CVE-2020-10022
UpdateHub Module Copies a Variable-Size Hash String Into a Fixed-Size Array
CriticalPUBLISHEDCNA: zephyr
CNA base score9.0 CVSS v3.xCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
02 Description
UpdateHub Module Copies a Variable-Size Hash String Into a Fixed-Size Array
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 2.31% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 82.9% of scored records. A rank, not a probability.
- NVD base score
- 9.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2020-05-11 22:26Z6 YR AGO
- Last updated
- 2024-09-16 23:45Z2 YR AGO
- Reserved
- 2020-03-03
- Assigning CNA
- zephyr
- Record state
- PUBLISHED
- Severity
- Critical (CVSS 9.0)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
- Weaknesses
- CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')Base
- Data version
- 5.1
- Document digest
- fe84464d08fd4af62da15d41b2d18f33b1ce2b288a1ccef5f8a6bb571dfc115f
05 Affected products
VendorProductVersionsPlatforms
06 References
- zephyrprojectsec.atlassian.nethttps://zephyrprojectsec.atlassian.net/browse/ZEPSEC-28
- github.comhttps://github.com/zephyrproject-rtos/zephyr/pull/24154
- github.comhttps://github.com/zephyrproject-rtos/zephyr/pull/24065
- github.comhttps://github.com/zephyrproject-rtos/zephyr/pull/24066
- docs.zephyrproject.orghttps://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10022