VDB
CVE-2020-15522
CVE-2020-15522
PUBLISHED
CVSS 5.900000095367432 MEDIUM
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.
EPSS 1.52% · 73.6th percentile
Risk Scores
CVSS 3.1
5.900000095367432
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS Score
1.52%
73.6th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:18.04:LTS | bouncycastle | 1.57-1, 1.59-1, 0 |
| Ubuntu:20.04:LTS | bouncycastle | 0, 1.61-1 |
| Ubuntu:16.04:LTS | bouncycastle | 1.49+dfsg-3ubuntu1, 1.51-4ubuntu1, 0 |
Timeline
- May 20, 2021 CVE Published
- May 21, 2021 EPSS Score
- Jul 24, 2021 EPSS Score
- Sep 24, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Jan 26, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Mar 28, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- May 29, 2022 EPSS Score
- Oct 1, 2022 EPSS Score
- Dec 2, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2020-15522 third-party-advisory
- https://github.com/bcgit/bc-java/wiki/CVE-2020-15522 third-party-advisory
- https://github.com/bcgit/bc-csharp/wiki/CVE-2020-15522 third-party-advisory
- https://www.bouncycastle.org/releasenotes.html third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2020-15522 third-party-advisory