Vulnerability · Published May 20, 2021 · Assigned by mitre
CVE-2020-27209
High 7.5
In plain English
A high-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.5% (higher than 75% of all known vulnerabilities).
Severity (CVSS NVD)7.5High
Exploit odds (30 days)1.5%top 25.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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 (as reported)
References
- https://www.aisec.fraunhofer.de/en/FirmwareProtection.html x_refsource_MISC
- https://github.com/kmackay/micro-ecc/releases x_refsource_MISC
- https://eprint.iacr.org/2021/640 x_refsource_MISC
- https://github.com/kmackay/micro-ecc/commit/1b5f5cea5145c96dd8791b9b2c41424fc74c2172 x_refsource_MISC
- https://www.aisec.fraunhofer.de/de/das-institut/wissenschaftliche-exzellenz/security-and-trust-in-open-source-security-tokens.html x_refsource_MISC