{"cve":"CVE-2020-28052","nvd":{"published":"2020-12-18T01:15:12.587","modified":"2026-06-17T03:10:04.477","status":"Modified","description":"An issue was discovered in Legion of the Bouncy Castle BC Java 1.65 and 1.66. The OpenBSDBCrypt.checkPassword utility method compared incorrect data when checking the password, allowing incorrect passwords to indicate they were matching with previously hashed ones that were different.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","score":8.1},"cwes":[],"references":["https://github.com/bcgit/bc-java/wiki/CVE-2020-28052","https://lists.apache.org/thread.html/r167dbc42ef7c59802c2ca1ac14735ef9cf687c25208229993d6206fe%40%3Cissues.karaf.apache.org%3E","https://lists.apache.org/thread.html/r175f5a25d100dbe2b1bd3459b3ce882a84c3ff91b120ed4ff2d57b53%40%3Ccommits.pulsar.apache.org%3E","https://lists.apache.org/thread.html/r25d53acd06f29244b8a103781b0339c5e7efee9099a4d52f0c230e4a%40%3Ccommits.druid.apache.org%3E","https://lists.apache.org/thread.html/r2ddabd06d94b60cfb0141e4abb23201c628ab925e30742f61a04d013%40%3Cissues.karaf.apache.org%3E"],"products":["apache:karaf","bouncycastle:bc-java","oracle:banking_corporate_lending_process_management","oracle:banking_credit_facilities_process_management","oracle:banking_extensibility_workbench","oracle:banking_supply_chain_finance","oracle:banking_virtual_account_management","oracle:blockchain_platform","oracle:commerce_guided_search","oracle:communications_application_session_controller","oracle:communications_cloud_native_core_network_slice_selection_function","oracle:communications_convergence","oracle:communications_messaging_server","oracle:communications_pricing_design_center","oracle:communications_session_report_manager","oracle:communications_session_route_manager","oracle:jd_edwards_enterpriseone_tools","oracle:peoplesoft_enterprise_peopletools","oracle:utilities_framework","oracle:webcenter_portal"],"source":"nvd","synced_at":"2026-10-19T21:12:09.559580076+00:00"},"epss":{"cve":"CVE-2020-28052","score":0.07225,"percentile":0.94323,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-73xv-w5gp-frxh","url":"https://osv.dev/vulnerability/GHSA-73xv-w5gp-frxh","summary":"Logic error in Legion of the Bouncy Castle BC Java","modified":"2024-03-08T05:18:41.838529Z","packages":[{"ecosystem":"Maven","name":"org.bouncycastle:bcprov-jdk15to18","purl":"pkg:maven/org.bouncycastle/bcprov-jdk15to18","ranges":[">=1.65 <1.67"],"fixed":["1.67"]},{"ecosystem":"Maven","name":"org.bouncycastle:bcprov-jdk15","purl":"pkg:maven/org.bouncycastle/bcprov-jdk15","ranges":[">=1.65 <1.67"],"fixed":["1.67"]},{"ecosystem":"Maven","name":"org.bouncycastle:bcprov-jdk15on","purl":"pkg:maven/org.bouncycastle/bcprov-jdk15on","ranges":[">=1.65 <1.67"],"fixed":["1.67"]},{"ecosystem":"Maven","name":"org.bouncycastle:bcprov-ext-jdk15on","purl":"pkg:maven/org.bouncycastle/bcprov-ext-jdk15on","ranges":[">=1.65 <1.67"],"fixed":["1.67"]},{"ecosystem":"Maven","name":"org.bouncycastle:bcprov-jdk14","purl":"pkg:maven/org.bouncycastle/bcprov-jdk14","ranges":[">=1.65 <1.67"],"fixed":["1.67"]},{"ecosystem":"Maven","name":"org.bouncycastle:bcprov-jdk16","purl":"pkg:maven/org.bouncycastle/bcprov-jdk16","ranges":[">=1.65 <1.67"],"fixed":["1.67"]},{"ecosystem":"Maven","name":"org.bouncycastle:bcprov-ext-jdk16","purl":"pkg:maven/org.bouncycastle/bcprov-ext-jdk16","ranges":[">=1.65 <1.67"],"fixed":["1.67"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}