CVE-2020-27209

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Published May 20, 2021 CVSS 3.1 · 7.5 High EPSS 1.5% KEV · Not listed

Description

The ECDSA operation of the micro-ecc library 1.0 is vulnerable to simple power analysis attacks which allows an adversary to extract the private ECC key.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:micro-ecc_project:micro-ecc:1.0:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2020-19728	The ECDSA operation of the micro-ecc library 1.0 is vulnerable to simple power analysis attacks which allows an adversary to extract the private ECC key.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact None

Availability Impact None

This CVE is not in the KEV list.

Exploit prediction score: 1.5% (1.537% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://eprint.iacr.org/2021/640
https://github.com/kmackay/micro-ecc/commit/1b5f5cea5145c96dd8791b9b2c41424fc74c2172
https://github.com/kmackay/micro-ecc/releases
https://www.aisec.fraunhofer.de/de/das-institut/wissenschaftliche-exzellenz/security-and-trust-in-open-source-security-tokens.html
https://www.aisec.fraunhofer.de/en/FirmwareProtection.html

History

No history.

Subscriptions

Micro-ecc Project Micro-ecc

Weaknesses

NVD-CWE-noinfo

Sources

CVE record Updated: Aug 4, 2024, 4:11 PM

Status: PUBLISHED
Assigner: mitre
Published: May 20, 2021, 8:16 PM
Updated: Aug 4, 2024, 4:11 PM
Reserved: Oct 19, 2020, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 3:08 AM

Status: Modified
Published: May 20, 2021, 9:15 PM
Modified: Jun 17, 2026, 3:08 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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