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
| Link | Resource |
|---|---|
| https://github.com/bcgit/bc-csharp/wiki/CVE-2020-15522 | Third Party Advisory |
| https://github.com/bcgit/bc-java/wiki/CVE-2020-15522 | Third Party Advisory |
| https://security.netapp.com/advisory/ntap-20210622-0007/ | |
| https://www.bouncycastle.org/releasenotes.html | Release Notes Vendor Advisory |
| https://github.com/bcgit/bc-csharp/wiki/CVE-2020-15522 | Third Party Advisory |
| https://github.com/bcgit/bc-java/wiki/CVE-2020-15522 | Third Party Advisory |
| https://security.netapp.com/advisory/ntap-20210622-0007/ | |
| https://www.bouncycastle.org/releasenotes.html | Release Notes Vendor Advisory |
Configurations
Configuration 1 (hide)
|
History
17 Jul 2025, 17:04
| Type | Values Removed | Values Added |
|---|---|---|
| CPE | cpe:2.3:a:bouncycastle:fips_java_api:*:*:*:*:*:*:*:* | |
| First Time |
Bouncycastle fips Java Api
|
Information
Published : 2021-05-20 12:15
Updated : 2025-07-17 17:04
NVD link : CVE-2020-15522
Mitre link : CVE-2020-15522
CVE.ORG link : CVE-2020-15522
JSON object : View
Products Affected
bouncycastle
- bc-csharp
- the_bouncy_castle_crypto_package_for_java
- fips_java_api
- bouncy_castle_fips_.net_api
CWE
CWE-362
Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')