CVE-2019-3795
Insecure Randomness When Using a SecureRandom Instance Constructed by Spring Security
Spring Security versions 4.2.x prior to 4.2.12, 5.0.x prior to 5.0.12, and 5.1.x prior to 5.1.5 contain an insecure randomness vulnerability when using SecureRandomFactoryBean#setSeed to configure a SecureRandom instance. In order to be impacted, an honest application must provide a seed and make the resulting random material available to an attacker for inspection.
Attack profile
How easy it is to exploit
- Attack vector
- Physical
- Complexity
- High
- Privileges needed
- High
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Insecure Randomness When Using a SecureRandom Instance Constructed by Spring Security
Spring Security versions 4.2.x prior to 4.2.12, 5.0.x prior to 5.0.12, and 5.1.x prior to 5.1.5 contain an insecure randomness vulnerability when using SecureRandomFactoryBean#setSeed to configure a SecureRandom instance. In order to be impacted, an honest application must provide a seed and make the resulting random material available to an attacker for inspection.
- Record
CVE-2019-3795- CVSS 3.0
- 3.8 Low
CVSS:3.0/AV:P/AC:H/PR:H/UI:R/S:U/C:N/I:H/A:N - Weakness
- CWE-330
- Updated
- 2026-11-02
EUVDEUVD-2019-0437
Spring Security versions 4.2.x prior to 4.2.12, 5.0.x prior to 5.0.12, and 5.1.x prior to 5.1.5 contain an insecure randomness vulnerability when using SecureRandomFactoryBean#setSeed to configure a SecureRandom instance. In order to be impacted, an honest application must provide a seed and make the resulting random material available to an attacker for inspection.
- Record
EUVD-2019-0437- CVSS 3.0
- 3.8 Low
CVSS:3.0/AV:P/AC:H/PR:H/UI:R/S:U/C:N/I:H/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-v2r2-7qm7-jj6v
Spring Security uses insufficiently random values
Spring Security versions 4.2.x prior to 4.2.12, 5.0.x prior to 5.0.12, and 5.1.x prior to 5.1.5 contain an insecure randomness vulnerability when using SecureRandomFactoryBean#setSeed to configure a SecureRandom instance. In order to be impacted, an honest application must provide a seed and make the resulting random material available to an attacker for inspection.
- Record
GHSA-v2r2-7qm7-jj6v- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-330
- Updated
- 2026-11-02
NVD
Spring Security versions 4.2.x prior to 4.2.12, 5.0.x prior to 5.0.12, and 5.1.x prior to 5.1.5 contain an insecure randomness vulnerability when using SecureRandomFactoryBean#setSeed to configure a SecureRandom instance. In order to be impacted, an honest application must provide a seed and make the resulting random material available to an attacker for inspection.
- Record
CVE-2019-3795- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - CVSS 3.0
- 3.8 Low
CVSS:3.0/AV:P/AC:H/PR:H/UI:R/S:U/C:N/I:H/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-330
- Updated
- 2026-11-02
OSV
Spring Security versions 4.2.x prior to 4.2.12, 5.0.x prior to 5.0.12, and 5.1.x prior to 5.1.5 contain an insecure randomness vulnerability when using SecureRandomFactoryBean#setSeed to configure a SecureRandom instance. In order to be impacted, an honest application must provide a seed and make the resulting random material available to an attacker for inspection.
- Record
CVE-2019-3795- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Updated
- 2026-11-02
OSVGHSA-v2r2-7qm7-jj6v
Spring Security uses insufficiently random values
Spring Security versions 4.2.x prior to 4.2.12, 5.0.x prior to 5.0.12, and 5.1.x prior to 5.1.5 contain an insecure randomness vulnerability when using SecureRandomFactoryBean#setSeed to configure a SecureRandom instance. In order to be impacted, an honest application must provide a seed and make the resulting random material available to an attacker for inspection.
- Record
GHSA-v2r2-7qm7-jj6v- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-330
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
org.springframework.security:spring-security-coreMaven |
4.2.0 up to 4.2.12 | 4.2.12 |
org.springframework.security:spring-security-coreMaven |
5.0.0 up to 5.0.12 | 5.0.12 |
org.springframework.security:spring-security-coreMaven |
5.1.0 up to 5.1.5 | 5.1.5 |
libspring-security-2.0-javaDebian:8 |
before 2.0.7.RELEASE-3+deb8u1, plus listed versions 2.0.7.RELEASE-3 |
2.0.7.RELEASE-3+deb8u1 |
org.springframework.security:spring-security-coreMaven |
4.2.0 up to 4.2.12, plus listed versions 4.2.0.RELEASE4.2.1.RELEASE4.2.10.RELEASE4.2.11.RELEASE4.2.2.RELEASE Show 7 moreShow less4.2.3.RELEASE4.2.4.RELEASE4.2.5.RELEASE4.2.6.RELEASE4.2.7.RELEASE4.2.8.RELEASE4.2.9.RELEASE |
4.2.12 |
org.springframework.security:spring-security-coreMaven |
5.0.0 up to 5.0.12, plus listed versions 5.0.0.RELEASE5.0.1.RELEASE5.0.10.RELEASE5.0.11.RELEASE5.0.2.RELEASE Show 7 moreShow less5.0.3.RELEASE5.0.4.RELEASE5.0.5.RELEASE5.0.6.RELEASE5.0.7.RELEASE5.0.8.RELEASE5.0.9.RELEASE |
5.0.12 |
org.springframework.security:spring-security-coreMaven |
5.1.0 up to 5.1.5, plus listed versions 5.1.0.RELEASE5.1.1.RELEASE5.1.2.RELEASE5.1.3.RELEASE5.1.4.RELEASE |
5.1.5 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2019-3795 is a low vulnerability (CVSS 3.8) in Spring Security, published April 9, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.92%, the 80th percentile. Fixed in org.springframework.security:spring-security-core 4.2.12.