Description
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.
No analysis available yet.
Remediation
No remediation available yet.
Tracking
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Advisories
| Source | ID | Title |
|---|---|---|
EUVD |
EUVD-2021-1608 | 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. |
Github GHSA |
GHSA-6xx3-rg99-gc3p | Timing based private key exposure in Bouncy Castle |
References
History
Thu, 17 Jul 2025 17:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Bouncycastle fips Java Api
|
|
| CPEs | cpe:2.3:a:bouncycastle:fips_java_api:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Bouncycastle legion-of-the-bouncy-castle-fips-java-api
|
Bouncycastle fips Java Api
|
Status: PUBLISHED
Assigner: mitre
Published:
Updated: 2024-08-04T13:15:20.863Z
Reserved: 2020-07-04T00:00:00.000Z
Link: CVE-2020-15522
No data.
Status : Modified
Published: 2021-05-20T12:15:08.003
Modified: 2025-07-17T17:04:58.987
Link: CVE-2020-15522
OpenCVE Enrichment
No data.
EUVD
Github GHSA