How severe is CVE-2019-3731?

CVE-2019-3731 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2019-3731 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-3731?

CVE-2019-3731 primarily affects Dell Bsafe Crypto-c-micro-edition. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-3731?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2019-3731 published?

CVE-2019-3731 was published on 2019-09-30 and last updated on 2026-06-17.

CVE-2019-3731

CVE-2019-3731 is a high-severity vulnerability in Dell Bsafe Crypto-c-micro-edition with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-203.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-203
Affected product: Dell Bsafe Crypto-c-micro-edition
Published: 2019-09-30
Last modified: 2026-06-17

Description

RSA BSAFE Crypto-C Micro Edition versions prior to 4.1.4 and RSA Micro Edition Suite versions prior to 4.4 are vulnerable to an Information Exposure Through Timing Discrepancy. A malicious remote user could potentially exploit this vulnerability to extract information leaving data at risk of exposure.

Frequently asked questions

What is CVE-2019-3731?: RSA BSAFE Crypto-C Micro Edition versions prior to 4.1.4 and RSA Micro Edition Suite versions prior to 4.4 are vulnerable to an Information Exposure Through Timing Discrepancy. A malicious remote user could potentially exploit this vulnerability to extract information leaving data at risk of exposure.
How severe is CVE-2019-3731?: CVE-2019-3731 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2019-3731 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-3731?: CVE-2019-3731 primarily affects Dell Bsafe Crypto-c-micro-edition. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-3731?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2019-3731 published?: CVE-2019-3731 was published on 2019-09-30 and last updated on 2026-06-17.

References

https://www.dell.com/support/kbdoc/000194054

Affected products (2)

cpe:2.3:a:dell:bsafe_crypto-c-micro-edition:*:*:*:*:*:*:*:*
cpe:2.3:a:dell:bsafe_micro-edition-suite:*:*:*:*:*:*:*:*

More vulnerabilities in Dell Bsafe Crypto-c-micro-edition

CVE-2020-35169 — Critical (CVSS 9.1): Dell BSAFE Crypto-C Micro Edition, versions before 4.1.5, and Dell BSAFE Micro Edition Suite, versions before 4.5.2,…
CVE-2019-3732 — High (CVSS 7.5): RSA BSAFE Crypto-C Micro Edition, versions prior to 4.0.5.3 (in 4.0.x) and versions prior to 4.1.3.3 (in 4.1.x), and…
CVE-2019-3728 — High (CVSS 7.5): RSA BSAFE Crypto-C Micro Edition versions from 4.0.0.0 before 4.0.5.4 and from 4.1.0 before 4.1.4, RSA BSAFE Micro…
CVE-2020-29504 — High (CVSS 7.4): Dell BSAFE Crypto-C Micro Edition, versions before 4.1.5, and Dell BSAFE Micro Edition Suite, versions before 4.5.2,…
CVE-2020-29505 — High (CVSS 7.1): Dell BSAFE Crypto-C Micro Edition, versions before 4.1.5, and Dell BSAFE Micro Edition Suite, versions before 4.5.2,…
CVE-2020-29506 — Medium (CVSS 6.8): Dell BSAFE Crypto-C Micro Edition, versions before 4.1.5, and Dell BSAFE Micro Edition Suite, versions before 4.5.2,…

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