Is CVE-2019-3740 in the CISA KEV catalog?

No. CVE-2019-3740 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2019-3740?

CVE-2019-3740 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2019-3740?

CVE-2019-3740 has an EPSS score of 3.75% (89th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2019-3740?

Upgrade bsafe crypto-j to 6.2.5 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2019-3740

MEDIUMEPSS 89th pctl

6.5

CVSS v3

NVD

Description

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

CWE-310Cryptographic Issues CWE-203

How to fix

Remediation Available

bsafe crypto-jNVD

Affected:< 6.2.5Fixed in:6.2.5CVE-2019-3740derived from NVD

global lifecycle management opatchNVD

Affected:< 12.2.0.1.22Fixed in:12.2.0.1.22CVE-2019-3740derived from NVD

goldengateNVD

Affected:< 19.1.0.0.0.210420Fixed in:19.1.0.0.0.210420CVE-2019-3740derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

3.75%probability of exploitation in 30 days

89thpercentile

Elevated risk: more likely to be exploited than 89% of all known CVEs.

References

Patch6

Other references1

dell.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.