CVE-2020-13600: zephyrproject-rtos zephyr Heap-based Buffer Overflow
CVSS: 7.6v3.1HighModified
Published 24-05-2021Last modified 16-09-2024
Vulnerability summary
CVE-2020-13600 is a high (CVSS 7.6) Heap-based Buffer Overflow vulnerability in zephyrproject-rtos zephyr. EPSS estimates a 0.24% chance of exploitation in the next 30 days, higher than 14.1% of scored vulnerabilities.
CVSS score
7.6/10
010
High · v3.1 (NVD)EPSS score
0.24%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 24-05-2021PublishedVulnerability first disclosed.
- 16-09-2024Last modifiedVulnerability information updated.
Description
Malformed SPI in response for eswifi can corrupt kernel memory. Zephyr versions >= 1.14.2, >= 2.3.0 contain Heap-based Buffer Overflow (CWE-122). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-hx4p-j86p-2mhr
CVSS metrics
3 scores · 2 sources · 2 versionsHigh 7.6Preferred score · NVD (NIST)
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:HSources2 sources · 7.0–7.6
- CVE.orgCNA7.0HighCVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:HDiffers
High 7.2Preferred score · NVD (NIST)
AV:L/AC:L/Au:N/C:C/I:C/A:CSourcesSingle source
EPSS trend
Probability
0.24%
Chance of exploitation in the next 30 days
Percentile
14%
Versus all other CVEs
30-day change
0.00 pp
From 0.24% on 20-09-2026
20-09-202620-10-2026
EPSS score0.24%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-122Heap-based Buffer OverflowA heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().
- CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.
Affected systems
Zephyrproject1 product
- zephyr≤ 1.14.2 | ≥ 2.0.0, ≤ 2.3.0
Zephyrproject-rtos1 product
- zephyr≥ 1.14.2, < unspecified | ≥ 2.3.0, < unspecified
2 vendors · 2 products
References
1 links- github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-hx4p-j86p-2mhrX Refsource MISCThird Party Advisory