How severe is CVE-2018-1000613?

CVE-2018-1000613 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-1000613 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-1000613?

CVE-2018-1000613 primarily affects Bouncycastle Bc-java. In total, 47 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-1000613?

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

When was CVE-2018-1000613 published?

CVE-2018-1000613 was published on 2018-07-09 and last updated on 2026-06-17.

CVE-2018-1000613

CVE-2018-1000613 is a critical-severity vulnerability in Bouncycastle Bc-java with a CVSS 3.x base score of 9.8. 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-470.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 5% (91st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-470
Affected product: Bouncycastle Bc-java
Published: 2018-07-09
Last modified: 2026-06-17

Description

Legion of the Bouncy Castle Legion of the Bouncy Castle Java Cryptography APIs 1.58 up to but not including 1.60 contains a CWE-470: Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection') vulnerability in XMSS/XMSS^MT private key deserialization that can result in Deserializing an XMSS/XMSS^MT private key can result in the execution of unexpected code. This attack appear to be exploitable via A handcrafted private key can include references to unexpected classes which will be picked up from the class path for the executing application. This vulnerability appears to have been fixed in 1.60 and later.

Frequently asked questions

What is CVE-2018-1000613?: Legion of the Bouncy Castle Legion of the Bouncy Castle Java Cryptography APIs 1.58 up to but not including 1.60 contains a CWE-470: Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection') vulnerability in XMSS/XMSS^MT private key deserialization that can result in Deserializing an XMSS/XMSS^MT private key can result in the execution of unexpected code. This attack appear to be exploitable via A handcrafted private key can include references to unexpected classes which will be picked up from the class path for the executing application. This vulnerability appears to have been fixed in 1.60 and later.
How severe is CVE-2018-1000613?: CVE-2018-1000613 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-1000613 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-1000613?: CVE-2018-1000613 primarily affects Bouncycastle Bc-java. In total, 47 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-1000613?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2018-1000613 published?: CVE-2018-1000613 was published on 2018-07-09 and last updated on 2026-06-17.

References

Affected products (47)

cpe:2.3:a:bouncycastle:bc-java:*:*:*:*:*:*:*:*
cpe:2.3:a:netapp:oncommand_workflow_automation:-:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
cpe:2.3:a:oracle:api_gateway:11.1.2.4.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:banking_platform:2.6.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:banking_platform:2.6.1:*:*:*:*:*:*:*
cpe:2.3:a:oracle:banking_platform:2.6.2:*:*:*:*:*:*:*
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_converged_application_server:7.0.0.1:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_convergence:3.0.2:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_diameter_signaling_router:8.0.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_diameter_signaling_router:8.1:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_diameter_signaling_router:8.2:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_diameter_signaling_router:8.2.1:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_webrtc_session_controller:*:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_webrtc_session_controller:7.2:*:*:*:*:*:*:*
cpe:2.3:a:oracle:data_integrator:12.2.1.3.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:enterprise_manager_base_platform:12.1.0.5.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:enterprise_manager_base_platform:13.2.0.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:enterprise_manager_base_platform:13.3.0.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:enterprise_manager_for_fusion_middleware:13.2.0.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:enterprise_manager_for_fusion_middleware:13.3.0.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:enterprise_repository:11.1.1.7.0:*:*:*:*:*:*:*
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:*:*:*:*:*:*:*

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