CVE-2020-15531

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

4.00% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 89.6% of scored records. A rank, not a probability.

NVD base score

8.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:A/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.

Published

2020-08-19 19:22Z6 YR AGO

Last updated

2024-08-04 13:15Z2 YR AGO

Reserved

2020-07-05

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')Base

Data version

5.1

Document digest

156a075631639048ba5b759d0294f6a1bd275eb37f534d00280f0a19dc1b223d

• www.blackhat.comhttps://www.blackhat.com/us-20/briefings/schedule/#finding-new-bluetooth-low-energy-exploits-via-reverse-engineering-multiple-vendors-firmwares-19655x_refsource_MISC
• github.comhttps://github.com/darkmentorllc/jackbnimble/blob/master/host/pocs/silabs_efr32_extadv_rce.pyx_refsource_MISC
• www.youtube.comhttps://www.youtube.com/watch?v=saoTr1NwdzMx_refsource_MISC
• github.comhttps://github.com/darkmentorllc/publications/tree/master/2020/TI_SILABS_BLE_RCEsx_refsource_MISC