5.9
CVE-2020-15522
- EPSS 0.4%
- Published 20.05.2021 12:15:08
- Last modified 17.07.2025 17:04:58
- Source cve@mitre.org
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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.
Data is provided by the National Vulnerability Database (NVD)
Bouncycastle ≫ Bc-csharp Version < 1.8.7
Bouncycastle ≫ Bouncy Castle Fips .Net Api Version < 1.0.1.1
Bouncycastle ≫ Fips Java Api Version < 1.0.1.2
Bouncycastle ≫ Fips Java Api Version >= 1.0.2 < 1.0.2.1
Bouncycastle ≫ The Bouncy Castle Crypto Package For Java Version < 1.66
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
| Type | Source | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 0.4% | 0.602 |
| Source | Base Score | Exploit Score | Impact Score | Vector string |
|---|---|---|---|---|
| nvd@nist.gov | 5.9 | 2.2 | 3.6 |
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
|
| nvd@nist.gov | 4.3 | 8.6 | 2.9 |
AV:N/AC:M/Au:N/C:P/I:N/A:N
|
CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.