VDB-175464 · CVE-2020-27211 · GCVE-0-2020-27211

Nordic Semiconductor nRF52840 up to 2020-10-19 Boot injection

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
1.8	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Nordic Semiconductor nRF52840 up to 2020-10-19. This vulnerability affects unknown code of the component Boot Handler. The manipulation results in injection. This vulnerability is cataloged as CVE-2020-27211. An attack on the physical device is feasible. There is no exploit available.

Detailsinfo

A vulnerability classified as problematic has been found in Nordic Semiconductor nRF52840 up to 2020-10-19. Affected is some unknown functionality of the component Boot Handler. The manipulation with an unknown input leads to a injection vulnerability. CWE is classifying the issue as CWE-74. The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component. This is going to have an impact on confidentiality.

The weakness was shared 05/21/2021. The advisory is shared for download at infocenter.nordicsemi.com. This vulnerability is traded as CVE-2020-27211. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1055.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Nordic Semiconductor

Name

nRF52840

Version

2020-10-19

CPE 2.3info

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CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 1.8
VulDB Meta Temp Score: 1.8

VulDB Base Score: 1.8
VulDB Temp Score: 1.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Injection
CWE: CWE-74 / CWE-707 / CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: Yes
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/19/2020 🔍
05/21/2021 +214 days 🔍
05/21/2021 +0 days 🔍
05/23/2021 +2 days 🔍

Sourcesinfo

Advisory: infocenter.nordicsemi.com
Status: Confirmed

CVE: CVE-2020-27211 (🔍)
GCVE (CVE): GCVE-0-2020-27211
GCVE (VulDB): GCVE-100-175464

Entryinfo

Created: 05/21/2021 16:28
Updated: 05/23/2021 13:12
Changes: 05/21/2021 16:28 (36), 05/23/2021 13:12 (2)
Complete: 🔍
Cache ID: 216::103