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CVE-2020-15522

CVSS v3.1 5.9 (Medium)
59% Progress
CVSS v2.0 4.3 (Medium)
43% Progress
EPSS 0.13 % (48th)
0.13% Progress
Affected Products 4
Advisories 5
Info CVSS EPSS CAPEC Affected Configurations References Security Advisories Packages & Software OVAL Tools, Exploits & PoC Graph Web & Social Timeline

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.

Weaknesses
CWE-362
Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CVE Status
PUBLISHED
CNA
MITRE
Published Date
2021-05-20 12:15:08
(3 years ago)
Updated Date
2021-06-22 09:15:11
(3 years ago)

Affected Products

Bouncycastle

Configuration #1

    CPE23 From Up To
  Bouncycastle Bc-csharp prior 1.8.7 version cpe:2.3:a:bouncycastle:bc-csharp < 1.8.7
  Bouncycastle Bouncy Castle Fips .net Api prior 1.0.1.1 version cpe:2.3:a:bouncycastle:bouncy_castle_fips_.net_api < 1.0.1.1
  Bouncycastle Legion-of-the-bouncy-castle-fips-java-api prior 1.0.1.2 version cpe:2.3:a:bouncycastle:legion-of-the-bouncy-castle-fips-java-api < 1.0.1.2
  Bouncycastle Legion-of-the-bouncy-castle-fips-java-api from 1.0.2 version and prior 1.0.2.1 version cpe:2.3:a:bouncycastle:legion-of-the-bouncy-castle-fips-java-api >= 1.0.2 < 1.0.2.1
  Bouncycastle The Bouncy Castle Crypto Package for Java prior 1.66 version cpe:2.3:a:bouncycastle:the_bouncy_castle_crypto_package_for_java < 1.66