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Vulnerability record · CVE-2019-3739 · published 18 September 2019

CVE-2019-3739: Dell bsafe cert-j observable discrepancy vulnerability

Dell · Bsafe Cert J

RSA BSAFE Crypto-J versions prior to 6.2.5 are vulnerable to Information Exposure Through Timing Discrepancy vulnerabilities during ECDSA key generation. A malicious remote attacker could potentially exploit those vulnerabilities to recover ECDSA keys.

6.5 CVSS 3.1 Medium EPSS 2.5% · top 15.7% CWE-310 · CWE-310CWE-203 · Observable discrepancy
6.5CVSS 3.1 base score, v2 4.3
2.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
16Affected product versions listed by NVD
14References
17 Jun 2026Last modified by NVD

Description

RSA BSAFE Crypto-J versions prior to 6.2.5 are vulnerable to Information Exposure Through Timing Discrepancy vulnerabilities during ECDSA key generation. A malicious remote attacker could potentially exploit those vulnerabilities to recover ECDSA keys.

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Affected products

16 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.dell.com/support/security/en-us/details/DOC-106556/DSA-2019-094-RSA-BSAFE&#174%3B-Crypto-J-Multiple-Security
https://www.oracle.com//security-alerts/cpujul2021.html PatchThird Party Advisory
https://www.oracle.com/security-alerts/cpuApr2021.html PatchThird Party Advisory
https://www.oracle.com/security-alerts/cpuapr2022.html PatchThird Party Advisory
https://www.oracle.com/security-alerts/cpujul2020.html PatchThird Party Advisory
https://www.oracle.com/security-alerts/cpuoct2020.html PatchThird Party Advisory
https://www.oracle.com/security-alerts/cpuoct2021.html PatchThird Party Advisory
https://www.dell.com/support/security/en-us/details/DOC-106556/DSA-2019-094-RSA-BSAFE&#174%3B-Crypto-J-Multiple-Security
https://www.oracle.com//security-alerts/cpujul2021.html PatchThird Party Advisory
https://www.oracle.com/security-alerts/cpuApr2021.html PatchThird Party Advisory
https://www.oracle.com/security-alerts/cpuapr2022.html PatchThird Party Advisory
https://www.oracle.com/security-alerts/cpujul2020.html PatchThird Party Advisory
https://www.oracle.com/security-alerts/cpuoct2020.html PatchThird Party Advisory
https://www.oracle.com/security-alerts/cpuoct2021.html PatchThird Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2019-3739), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.