5.7
MEDIUM
CVE-2020-27211
Nordic Semiconductor nRF52840 Physical Side Channel Attack Vulnerability
Description

Nordic Semiconductor nRF52840 devices through 2020-10-19 have improper protection against physical side channels. The flash read-out protection (APPROTECT) can be bypassed by injecting a fault during the boot phase.

INFO

Published Date :

May 21, 2021, 1:15 p.m.

Last Modified :

May 3, 2022, 4:04 p.m.

Remotely Exploitable :

No

Impact Score :

5.2

Exploitability Score :

0.5
Affected Products

The following products are affected by CVE-2020-27211 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Nordicsemi nrf52840_firmware
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2020-27211.

URL Resource
https://eprint.iacr.org/2021/640 Third Party Advisory
https://infocenter.nordicsemi.com/pdf/in_133_v1.0.pdf Third Party Advisory
https://limitedresults.com/2020/06/nrf52-debug-resurrection-approtect-bypass/ Third Party Advisory
https://www.aisec.fraunhofer.de/de/das-institut/wissenschaftliche-exzellenz/security-and-trust-in-open-source-security-tokens.html Third Party Advisory
https://www.aisec.fraunhofer.de/en/FirmwareProtection.html Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2020-27211 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-27211 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CWE Remap by [email protected]

    May. 03, 2022

    Action Type Old Value New Value
    Changed CWE CWE-74 CWE-203
  • Initial Analysis by [email protected]

    Jun. 08, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:L/AC:M/Au:N/C:P/I:P/A:N)
    Added CVSS V3.1 NIST AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
    Changed Reference Type https://eprint.iacr.org/2021/640 No Types Assigned https://eprint.iacr.org/2021/640 Third Party Advisory
    Changed Reference Type https://infocenter.nordicsemi.com/pdf/in_133_v1.0.pdf No Types Assigned https://infocenter.nordicsemi.com/pdf/in_133_v1.0.pdf Third Party Advisory
    Changed Reference Type https://limitedresults.com/2020/06/nrf52-debug-resurrection-approtect-bypass/ No Types Assigned https://limitedresults.com/2020/06/nrf52-debug-resurrection-approtect-bypass/ Third Party Advisory
    Changed Reference Type https://www.aisec.fraunhofer.de/de/das-institut/wissenschaftliche-exzellenz/security-and-trust-in-open-source-security-tokens.html No Types Assigned https://www.aisec.fraunhofer.de/de/das-institut/wissenschaftliche-exzellenz/security-and-trust-in-open-source-security-tokens.html Third Party Advisory
    Changed Reference Type https://www.aisec.fraunhofer.de/en/FirmwareProtection.html No Types Assigned https://www.aisec.fraunhofer.de/en/FirmwareProtection.html Third Party Advisory
    Added CWE NIST CWE-74
    Added CPE Configuration AND OR *cpe:2.3:o:nordicsemi:nrf52840_firmware:*:*:*:*:*:*:*:* versions up to (including) 2020-10-19 OR cpe:2.3:h:nordicsemi:nrf52840:-:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    May. 26, 2021

    Action Type Old Value New Value
    Added Reference https://www.aisec.fraunhofer.de/de/das-institut/wissenschaftliche-exzellenz/security-and-trust-in-open-source-security-tokens.html [No Types Assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2020-27211 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2020-27211 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.09 }} 0.01%

score

0.37178

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability