CVE-2020-15522

Bouncy Castle BC Java before 1.66, BC C# .NET before 1.8.7, BC-FJA before 1.0.1.2, 1.0.2.1, and BC-FNA before 1.0.1.1 have a timing issue within the EC math…

published May 20, 2021

CVSS
—
EPSS
2%
Percentile
74.4
In the wild
Unconfirmed
What it is

Bouncy Castle BC Java before 1.66, BC C# .NET before 1.8.7, BC-FJA before 1.0.1.2, 1.0.2.1, and BC-FNA before 1.0.1.1 have a timing issue within the EC math library that can expose information about the private key when an attacker is able to observe timing information for the generation of multiple deterministic ECDSA signatures.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01522 · 74.4th percentile
Published
2021-05-20T11:20Z
EPSS history
Timeline
  • 20 MAY 11:20Z
    Bouncy Castle BC Java before 1.66, BC C# .NET before 1.8.7, BC-FJA before 1.0.1.2, 1.0.2.1, and BC-FNA before 1.0.1.1 have a timing issue within the EC math…
    cvelistv5