Vulnerability in Bouncycastle Fips_java_api
CVE-2020-26939
In Legion of the Bouncy Castle BC before 1.61 and BC-FJA before 1.0.1.2, attackers can obtain sensitive information about a private exponent because of Observable Differences in Behavior to Error Inputs. This occurs in org.bouncycastle.cry…
EPSS: 0.009 (55.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
Affected products
- Bouncycastle Fips_java_api
- Bouncycastle Legion-of-the-bouncy-castle
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (mailing-list, x_refsource_MLIST)
Frequently asked questions
- What is CVE-2020-26939?
- CVE-2020-26939 is a medium-severity vulnerability in Bouncycastle Fips_java_api, classified under Observable Discrepancy. CVSS score: 5.3/10. Published 2020-11-02.
- How severe is CVE-2020-26939?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2020-26939 known to be exploited?
- 9 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.