SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2020-13466

STMicroelectronics STM32F103 devices through 2020-05-20 allow physical attackers to execute arbitrary code via a power glitch and a specific flash patch/breakpoint unit configuration.

MEDIUM 6.8EPSS 0.41%

Does this matter?

Lower severity and a low EPSS score (0.41%). Track it; it rarely justifies an emergency change on its own.

Description

STMicroelectronics STM32F103 devices through 2020-05-20 allow physical attackers to execute arbitrary code via a power glitch and a specific flash patch/breakpoint unit configuration.

CVSS 3.1
6.8 MEDIUMCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
0.41% probability · 36th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Affected
st/stm32f103 firmware
Source
cve@mitre.org
EPSS trend
0%3%5%26 October 2026: 0.41%26 October 202626 October 2026

EPSS 0.4% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.