CVE-2020-27211
CVSS V2 Low 3.3
CVSS V3 Medium 5.7
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.
Overview
- CVE ID
- CVE-2020-27211
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2021-05-21T13:15:07
- Last Modified Date
- 2022-05-03T16:04:40
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| AND | ||||
| cpe:2.3:o:nordicsemi:nrf52840_firmware:*:*:*:*:*:*:*:* | 1 | OR | 2020-10-19 | |
| cpe:2.3:h:nordicsemi:nrf52840:-:*:*:*:*:*:*:* | 0 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:L/AC:M/Au:N/C:P/I:P/A:N
- Access Vector
- LOCAL
- Access Compatibility
- MEDIUM
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- NONE
- Base Score
- 3.3
- Severity
- LOW
- Exploitability Score
- 3.4
- Impact Score
- 4.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
- Attack Vector
- PHYSICAL
- Attack Compatibility
- HIGH
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- NONE
- Base Score
- 5.7
- Base Severity
- MEDIUM
- Exploitability Score
- 0.5
- Impact Score
- 5.2
References
| Reference URL | Reference Tags |
|---|---|
| https://limitedresults.com/2020/06/nrf52-debug-resurrection-approtect-bypass/ | Third Party Advisory |
| https://eprint.iacr.org/2021/640 | Third Party Advisory |
| https://infocenter.nordicsemi.com/pdf/in_133_v1.0.pdf | Third Party Advisory |
| https://www.aisec.fraunhofer.de/en/FirmwareProtection.html | 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 |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2020-27211 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27211 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-08 06:19:28 | Added to TrackCVE | |||
| 2022-12-05 02:44:32 | 2021-05-21T13:15Z | 2021-05-21T13:15:07 | CVE Published Date | updated |
| 2022-12-05 02:44:32 | 2022-05-03T16:04:40 | CVE Modified Date | updated | |
| 2022-12-05 02:44:32 | Analyzed | Vulnerability Status | updated |