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.

Published: 2018-06-05 Last update: 2025-05-12 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2018-1000180 is rated Moderate Risk (64/100): CVSS High severity, with medium exploitation likelihood (EPSS 3.59%). Core evidence: EPSS rose +3.27% over the last day, indicating growing attacker interest. Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2018-1000180

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.32% 3.59% +3.27%
2 2026-05-23 0.42% 0.32% -0.10%
3 2026-05-22 0.42%

Full EPSS history (24 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2018-1000180

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.0 HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
3.9 3.6 [email protected]
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
10.0 2.9 [email protected]

Weakness enumeration for CVE-2018-1000180

GitHub Security Advisory for CVE-2018-1000180

GHSA-xqj7-j8j5-f2xr · Severity: high · Ecosystem: maven — Bouncy Castle has a flaw in the Low-level interface to RSA key pair generator

OS Trackers for CVE-2018-1000180

vendor priority summary link
debian not yet assigned CVE-2018-1000180 not yet assigned priority: Debian including 1 source packages (bouncycastle), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2018-1000180
redhat medium https://access.redhat.com/security/cve/CVE-2018-1000180
suse medium CVE-2018-1000180 severity moderate: SUSE including 32 source package names (bouncycastle, bouncycastle-1.64-1.63, …), 34 product×package rows across 8 product lines (SUSE Linux Enterprise Module for Development Tools 15 SP2, SUSE Linux Enterprise Module for Development Tools 15 SP3, … (8 product lines)): Fixed 32, Known Not Affected 2. https://www.suse.com/security/cve/CVE-2018-1000180/
ubuntu medium CVE-2018-1000180 medium priority: Ubuntu including 1 source packages (bouncycastle), 20 status rows across 20 suites (artful, bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): not-affected 16, DNE 1, ignored 1, needed 1, released 1. https://ubuntu.com/security/CVE-2018-1000180

Affected software / configurations for CVE-2018-1000180

Vendor Product Version Raw CPE
bouncycastle bc-java >= 1.54, <= 1.59 cpe:2.3:a:bouncycastle:bc-java:*:*:*:*:*:*:*:*
bouncycastle fips_java_api <= 1.0.1 cpe:2.3:a:bouncycastle:fips_java_api:*:*:*:*:*:*:*:*
debian debian_linux 9.0 cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
oracle api_gateway 11.1.2.4.0 cpe:2.3:a:oracle:api_gateway:11.1.2.4.0:*:*:*:*:*:*:*
oracle business_process_management_suite 11.1.1.9.0 cpe:2.3:a:oracle:business_process_management_suite:11.1.1.9.0:*:*:*:*:*:*:*
oracle business_process_management_suite 12.1.3.0.0 cpe:2.3:a:oracle:business_process_management_suite:12.1.3.0.0:*:*:*:*:*:*:*
oracle business_process_management_suite 12.2.1.3.0 cpe:2.3:a:oracle:business_process_management_suite:12.2.1.3.0:*:*:*:*:*:*:*
oracle business_transaction_management 12.1.0 cpe:2.3:a:oracle:business_transaction_management:12.1.0:*:*:*:*:*:*:*
oracle communications_application_session_controller 3.7.1 cpe:2.3:a:oracle:communications_application_session_controller:3.7.1:*:*:*:*:*:*:*
oracle communications_application_session_controller 3.8.0 cpe:2.3:a:oracle:communications_application_session_controller:3.8.0:*:*:*:*:*:*:*
oracle communications_converged_application_server < 7.0.0.1 cpe:2.3:a:oracle:communications_converged_application_server:*:*:*:*:*:*:*:*
oracle communications_webrtc_session_controller < 7.2 cpe:2.3:a:oracle:communications_webrtc_session_controller:*:*:*:*:*:*:*:*
oracle enterprise_repository 12.1.3.0.0 cpe:2.3:a:oracle:enterprise_repository:12.1.3.0.0:*:*:*:*:*:*:*
oracle managed_file_transfer 12.1.3.0.0 cpe:2.3:a:oracle:managed_file_transfer:12.1.3.0.0:*:*:*:*:*:*:*
oracle managed_file_transfer 12.2.1.3.0 cpe:2.3:a:oracle:managed_file_transfer:12.2.1.3.0:*:*:*:*:*:*:*
oracle peoplesoft_enterprise_peopletools 8.55 cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.55:*:*:*:*:*:*:*
oracle peoplesoft_enterprise_peopletools 8.56 cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.56:*:*:*:*:*:*:*
oracle peoplesoft_enterprise_peopletools 8.57 cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.57:*:*:*:*:*:*:*
oracle retail_convenience_and_fuel_pos_software 2.8.1 cpe:2.3:a:oracle:retail_convenience_and_fuel_pos_software:2.8.1:*:*:*:*:*:*:*
oracle retail_xstore_point_of_service 7.0 cpe:2.3:a:oracle:retail_xstore_point_of_service:7.0:*:*:*:*:*:*:*
oracle retail_xstore_point_of_service 7.1 cpe:2.3:a:oracle:retail_xstore_point_of_service:7.1:*:*:*:*:*:*:*
oracle soa_suite 12.1.3.0.0 cpe:2.3:a:oracle:soa_suite:12.1.3.0.0:*:*:*:*:*:*:*
oracle soa_suite 12.2.1.3.0 cpe:2.3:a:oracle:soa_suite:12.2.1.3.0:*:*:*:*:*:*:*
oracle webcenter_portal 11.1.1.9.0 cpe:2.3:a:oracle:webcenter_portal:11.1.1.9.0:*:*:*:*:*:*:*
oracle webcenter_portal 12.2.1.3.0 cpe:2.3:a:oracle:webcenter_portal:12.2.1.3.0:*:*:*:*:*:*:*
oracle weblogic_server 12.1.3.0.0 cpe:2.3:a:oracle:weblogic_server:12.1.3.0.0:*:*:*:*:*:*:*
netapp oncommand_workflow_automation cpe:2.3:a:netapp:oncommand_workflow_automation:-:*:*:*:*:*:*:*
redhat virtualization 4.2 cpe:2.3:o:redhat:virtualization:4.2:*:*:*:*:*:*:*
redhat jboss_enterprise_application_platform 7.1.0 cpe:2.3:a:redhat:jboss_enterprise_application_platform:7.1.0:*:*:*:*:*:*:*

References for CVE-2018-1000180

URL Tags
http://www.securityfocus.com/bid/106567 Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2018:2423 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2424 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2425 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2428 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2643 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2669 Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:0877 Third Party Advisory
https://github.com/bcgit/bc-java/commit/22467b6e8fe19717ecdf201c0cf91bacf04a55ad Patch Third Party Advisory
https://github.com/bcgit/bc-java/commit/73780ac522b7795fc165630aba8d5f5729acc839 Patch Third Party Advisory
https://github.com/bcgit/bc-java/wiki/CVE-2018-1000180
https://lists.apache.org/thread.html/708d94141126eac03011144a971a6411fcac16d9c248d1d535a39451%40%3Csolr-user.lucene.apache.org%3E
https://security.netapp.com/advisory/ntap-20190204-0003/ Patch Third Party Advisory
https://www.bountysource.com/issues/58293083-rsa-key-generation-computation-of-iterations-for-mr-primality-test Third Party Advisory
https://www.debian.org/security/2018/dsa-4233 Third Party Advisory
https://www.oracle.com/security-alerts/cpuApr2021.html
https://www.oracle.com/security-alerts/cpuapr2020.html
https://www.oracle.com/security-alerts/cpuoct2020.html
https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html Patch Third Party Advisory
https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html Patch Third Party Advisory
https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html
cvelogic Threat Intelligence