What is CVE-2020-12118?

CVE-2020-12118 is a high-severity vulnerability in Binance Tss-Lib, classified under Incorrect Default Permissions. CVSS score: 8.2/10. Published 2020-04-23.

How severe is CVE-2020-12118?

High severity. CVSS v3 base score is 8.2 out of 10.

Is CVE-2020-12118 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Binance Tss-Lib

CVE-2020-12118

The keygen protocol implementation in Binance tss-lib before 1.2.0 allows attackers to generate crafted h1 and h2 parameters in order to compromise a signing round or obtain sensitive information from other parties.

EPSS: 0.012 (66.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N.

Affected products

Binance Tss-lib
N/a — versions n/a

Weakness classification (CWE)

CWE-276 — Incorrect Default Permissions

Public proof-of-concept exploits

A-Tsai/mpc

References

cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (Third Party Advisory, x_refsource_MISC, Release Notes)

Frequently asked questions

What is CVE-2020-12118?: CVE-2020-12118 is a high-severity vulnerability in Binance Tss-Lib, classified under Incorrect Default Permissions. CVSS score: 8.2/10. Published 2020-04-23.
How severe is CVE-2020-12118?: High severity. CVSS v3 base score is 8.2 out of 10.
Is CVE-2020-12118 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.