CVE-2020-15522

Source
https://nvd.nist.gov/vuln/detail/CVE-2020-15522
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-15522.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2020-15522
Aliases
Downstream
Related
Published
2021-05-20T12:15:08Z
Modified
2025-09-24T10:18:01.967445Z
Severity
  • 5.9 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
Summary
[none]
Details

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.

References

Affected packages

Git / github.com/bcgit/bc-csharp

Affected ranges

Type
GIT
Repo
https://github.com/bcgit/bc-csharp
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed

Affected versions

release-1.*

release-1.8.0
release-1.8.0-RC.1
release-1.8.0-RC.2
release-1.8.0-RC.3
release-1.8.0-beta.1
release-1.8.0-beta.2
release-1.8.0-beta.3
release-1.8.0-beta.4
release-1.8.1
release-1.8.2
release-1.8.3
release-1.8.4
release-1.8.5
release-1.8.6