CVE-2020-15522

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.

Category

5.9
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.33%
Vendor Advisory bouncycastle.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.bouncycastle.org/releasenotes.html release notes vendor 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://security.netapp.com/advisory/ntap-20210622-0007/

Frequently Asked Questions

What is the severity of CVE-2020-15522?
CVE-2020-15522 has been scored as a medium severity vulnerability.
How to fix CVE-2020-15522?
To fix CVE-2020-15522, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-15522 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-15522 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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