CVE-2020-27209
Micro-ECC ECDSA Private Key Extraction Vulnerability
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.
INFO
Published Date :
May 20, 2021, 9:15 p.m.
Last Modified :
Nov. 21, 2024, 5:20 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
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-2020-27209.
| URL | Resource |
|---|---|
| https://eprint.iacr.org/2021/640 | Third Party Advisory |
| https://github.com/kmackay/micro-ecc/commit/1b5f5cea5145c96dd8791b9b2c41424fc74c2172 | Patch Third Party Advisory |
| https://github.com/kmackay/micro-ecc/releases | 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 |
| https://eprint.iacr.org/2021/640 | Third Party Advisory |
| https://github.com/kmackay/micro-ecc/commit/1b5f5cea5145c96dd8791b9b2c41424fc74c2172 | Patch Third Party Advisory |
| https://github.com/kmackay/micro-ecc/releases | 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-2020-27209 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-27209 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 af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://eprint.iacr.org/2021/640 Added Reference https://github.com/kmackay/micro-ecc/commit/1b5f5cea5145c96dd8791b9b2c41424fc74c2172 Added Reference https://github.com/kmackay/micro-ecc/releases Added Reference https://www.aisec.fraunhofer.de/de/das-institut/wissenschaftliche-exzellenz/security-and-trust-in-open-source-security-tokens.html Added Reference https://www.aisec.fraunhofer.de/en/FirmwareProtection.html -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
May. 27, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:N/A:N) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/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://github.com/kmackay/micro-ecc/commit/1b5f5cea5145c96dd8791b9b2c41424fc74c2172 No Types Assigned https://github.com/kmackay/micro-ecc/commit/1b5f5cea5145c96dd8791b9b2c41424fc74c2172 Patch, Third Party Advisory Changed Reference Type https://github.com/kmackay/micro-ecc/releases No Types Assigned https://github.com/kmackay/micro-ecc/releases 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 NVD-CWE-noinfo Added CPE Configuration OR *cpe:2.3:a:micro-ecc_project:micro-ecc:1.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
May. 24, 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] -
CVE Modified by [email protected]
May. 21, 2021
Action Type Old Value New Value Added Reference https://github.com/kmackay/micro-ecc/commit/1b5f5cea5145c96dd8791b9b2c41424fc74c2172 [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-27209 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-2020-27209
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.46 }} -0.26%
score
0.61401
percentile