How severe is CVE-2018-1000180?

CVE-2018-1000180 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-2018-1000180 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-1000180?

CVE-2018-1000180 primarily affects Bouncycastle Bc-java. In total, 29 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-1000180?

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-2018-1000180 published?

CVE-2018-1000180 was published on 2018-06-05 and last updated on 2026-06-17.

CVE-2018-1000180

CVE-2018-1000180 is a high-severity vulnerability in Bouncycastle Bc-java 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-327.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 4% (88th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-327
Affected product: Bouncycastle Bc-java
Published: 2018-06-05
Last modified: 2026-06-17

Description

Bouncy Castle BC 1.54 - 1.59, BC-FJA 1.0.0, BC-FJA 1.0.1 and earlier have a flaw in the Low-level interface to RSA key pair generator, specifically RSA Key Pairs generated in low-level API with added certainty may have less M-R tests than expected. This appears to be fixed in versions BC 1.60 beta 4 and later, BC-FJA 1.0.2 and later.

Frequently asked questions

What is CVE-2018-1000180?: Bouncy Castle BC 1.54 - 1.59, BC-FJA 1.0.0, BC-FJA 1.0.1 and earlier have a flaw in the Low-level interface to RSA key pair generator, specifically RSA Key Pairs generated in low-level API with added certainty may have less M-R tests than expected. This appears to be fixed in versions BC 1.60 beta 4 and later, BC-FJA 1.0.2 and later.
How severe is CVE-2018-1000180?: CVE-2018-1000180 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-2018-1000180 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-1000180?: CVE-2018-1000180 primarily affects Bouncycastle Bc-java. In total, 29 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-1000180?: 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-2018-1000180 published?: CVE-2018-1000180 was published on 2018-06-05 and last updated on 2026-06-17.

References

Affected products (29)

cpe:2.3:a:bouncycastle:bc-java:*:*:*:*:*:*:*:*
cpe:2.3:a:bouncycastle:fips_java_api:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:api_gateway:11.1.2.4.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:business_process_management_suite:11.1.1.9.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:business_process_management_suite:12.1.3.0.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:business_process_management_suite:12.2.1.3.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:business_transaction_management:12.1.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_application_session_controller:3.7.1:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_application_session_controller:3.8.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_converged_application_server:*:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_webrtc_session_controller:*:*:*:*:*:*:*:*
cpe:2.3:a:oracle:enterprise_repository:12.1.3.0.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:managed_file_transfer:12.1.3.0.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:managed_file_transfer:12.2.1.3.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.55:*:*:*:*:*:*:*
cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.56:*:*:*:*:*:*:*
cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.57:*:*:*:*:*:*:*
cpe:2.3:a:oracle:retail_convenience_and_fuel_pos_software:2.8.1:*:*:*:*:*:*:*
cpe:2.3:a:oracle:retail_xstore_point_of_service:7.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:retail_xstore_point_of_service:7.1:*:*:*:*:*:*:*
cpe:2.3:a:oracle:soa_suite:12.1.3.0.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:soa_suite:12.2.1.3.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:webcenter_portal:11.1.1.9.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:webcenter_portal:12.2.1.3.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:weblogic_server:12.1.3.0.0:*:*:*:*:*:*:*
cpe:2.3:a:netapp:oncommand_workflow_automation:-:*:*:*:*:*:*:*
cpe:2.3:o:redhat:virtualization:4.2:*:*:*:*:*:*:*
cpe:2.3:a:redhat:jboss_enterprise_application_platform:7.1.0:*:*:*:*:*:*:*

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