High
Security advisory
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.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2020-28052
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 06:07 UTC · Revision 1
Source evidence
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.
osv:CVE-2020-28052
Complete source record
{
"id": "fc5ad691d1b6cafb6ab9b801c2b8792e7138ab4a8c4582ef7ee5ef03f2a0fc5f",
"url": "https://osv.dev/vulnerability/CVE-2020-28052",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2020-28052",
"summary": "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.",
"evidence": "osv:CVE-2020-28052",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2020-28052",
"aliases": [
"CVE-2020-28052",
"GHSA-73xv-w5gp-frxh"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"
}
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"affected": [
{
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{
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"versions": [
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"1.66",
"r1rv66",
"r1rv65"
],
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],
"modified": "2026-10-24T10:30:35.685460259Z",
"provider": "osv",
"references": [
"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",
"https://lists.apache.org/thread.html/r30a139c165b3da6e0d5536434ab1550534011b1fdfcd2f5d95892c5b%40%3Cissues.karaf.apache.org%3E",
"https://lists.apache.org/thread.html/r37d332c0bf772f4982d1fdeeb2f88dd71dab6451213e69e43734eadc%40%3Ccommits.pulsar.apache.org%3E",
"https://lists.apache.org/thread.html/r4e1619cfefcd031fac62064a3858f5c9229eef907bd5d8ef14c594fc%40%3Cissues.karaf.apache.org%3E",
"https://lists.apache.org/thread.html/r77af3ac7c3bfbd5454546e13faf7aec21d627bdcf36c9ca240436b94%40%3Cissues.karaf.apache.org%3E",
"https://lists.apache.org/thread.html/r8c36ba34e80e05eecb1f80071cc834d705616f315b634ec0c7d8f42e%40%3Cissues.solr.apache.org%3E",
"https://lists.apache.org/thread.html/r954d80fd18e9dafef6e813963eb7e08c228151c2b6268ecd63b35d1f%40%3Ccommits.druid.apache.org%3E",
"https://lists.apache.org/thread.html/rc9e441c1576bdc4375d32526d5cf457226928e9c87b9f54ded26271c%40%3Cissues.karaf.apache.org%3E",
"https://lists.apache.org/thread.html/rcd37d9214b08067a2e8f2b5b4fd123a1f8cb6008698d11ef44028c21%40%3Cissues.karaf.apache.org%3E",
"https://lists.apache.org/thread.html/rdcbad6d8ce72c79827ed8c635f9a62dd919bb21c94a0b64cab2efc31%40%3Cissues.karaf.apache.org%3E",
"https://lists.apache.org/thread.html/rddd2237b8636a48d573869006ee809262525efb2b6ffa6eff50d2a2d%40%3Cjira.kafka.apache.org%3E",
"https://lists.apache.org/thread.html/rdfd2901b8b697a3f6e2c9c6ecc688fd90d7f881937affb5144d61d6e%40%3Ccommits.druid.apache.org%3E",
"https://lists.apache.org/thread.html/rf9abfc0223747a56694825c050cc6b66627a293a32ea926b3de22402%40%3Cissues.karaf.apache.org%3E",
"https://lists.apache.org/thread.html/rfc0db1f3c375087e69a239f9284ded72d04fbb55849eadde58fa9dc2%40%3Cissues.karaf.apache.org%3E",
"https://www.bouncycastle.org/releasenotes.html",
"https://github.com/bcgit/bc-java/wiki/CVE-2020-28052",
"https://www.oracle.com//security-alerts/cpujul2021.html",
"https://www.oracle.com/security-alerts/cpuApr2021.html",
"https://www.oracle.com/security-alerts/cpuapr2022.html",
"https://www.oracle.com/security-alerts/cpujan2022.html",
"https://www.oracle.com/security-alerts/cpujul2022.html",
"https://www.oracle.com/security-alerts/cpuoct2021.html",
"https://www.synopsys.com/blogs/software-security/cve-2020-28052-bouncy-castle/"
],
"provider_metadata": {
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"cpes": [
"cpe:2.3:a:oracle:blockchain_platform:*:*:*:*:*:*:*:*"
],
"vendor_product": "oracle:blockchain_platform",
"extracted_events": [
{
"range": [
{
"fixed": "21.1.2"
}
],
"source": "CPE_RANGE"
}
]
},
{
"cpes": [
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],
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{
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{
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]
},
{
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],
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],
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}
]
},
{
"cpes": [
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],
"vendor_product": "oracle:jd_edwards_enterpriseone_tools",
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{
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{
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}
],
"source": "CPE_RANGE"
}
]
},
{
"cpes": [
"cpe:2.3:a:oracle:banking_corporate_lending_process_management:14.2.0:*:*:*:*:*:*:*",
"cpe:2.3:a:oracle:banking_corporate_lending_process_management:14.3.0:*:*:*:*:*:*:*",
"cpe:2.3:a:oracle:banking_corporate_lending_process_management:14.5.0:*:*:*:*:*:*:*"
],
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{
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{
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{
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{
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{
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}
],
"source": "CPE_STRING"
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]
},
{
"cpes": [
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{
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],
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]
},
{
"cpes": [
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],
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]
},
{
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{
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{
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{
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{
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{
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{
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}
],
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]
},
{
"cpes": [
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"cpe:2.3:a:oracle:banking_virtual_account_management:14.5.0:*:*:*:*:*:*:*"
],
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{
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{
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{
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{
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{
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{
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}
],
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}
]
},
{
"cpes": [
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],
"vendor_product": "oracle:commerce_guided_search",
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{
"range": [
{
"introduced": "11.3.2"
},
{
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}
],
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}
]
},
{
"cpes": [
"cpe:2.3:a:oracle:communications_application_session_controller:3.9m0p3:*:*:*:*:*:*:*"
],
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"extracted_events": [
{
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{
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},
{
"last_affected": "3.9m0p3"
}
],
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}
]
},
{
"cpes": [
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],
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"extracted_events": [
{
"range": [
{
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{
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],
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]
},
{
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],
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{
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{
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{
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}
],
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}
]
},
{
"cpes": [
"cpe:2.3:o:oracle:communications_messaging_server:8.0.2:*:*:*:*:*:*:*",
"cpe:2.3:o:oracle:communications_messaging_server:8.1:*:*:*:*:*:*:*"
],
"vendor_product": "oracle:communications_messaging_server",
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{
"range": [
{
"introduced": "8.0.2"
},
{
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{
"introduced": "8.1"
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{
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}
],
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}
]
},
{
"cpes": [
"cpe:2.3:a:oracle:communications_pricing_design_center:12.0.0.3.0:*:*:*:*:*:*:*"
],
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"extracted_events": [
{
"range": [
{
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{
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}
],
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}
]
},
{
"cpes": [
"cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.56:*:*:*:*:*:*:*",
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"cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.58:*:*:*:*:*:*:*"
],
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"extracted_events": [
{
"range": [
{
"introduced": "8.56"
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{
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},
{
"introduced": "8.57"
},
{
"last_affected": "8.57"
},
{
"introduced": "8.58"
},
{
"last_affected": "8.58"
}
],
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}
]
},
{
"cpes": [
"cpe:2.3:a:oracle:utilities_framework:4.3.0.6.0:*:*:*:*:*:*:*",
"cpe:2.3:a:oracle:utilities_framework:4.4.0.0.0:*:*:*:*:*:*:*",
"cpe:2.3:a:oracle:utilities_framework:4.4.0.2.0:*:*:*:*:*:*:*",
"cpe:2.3:a:oracle:utilities_framework:4.4.0.3.0:*:*:*:*:*:*:*"
],
"vendor_product": "oracle:utilities_framework",
"extracted_events": [
{
"range": [
{
"introduced": "4.3.0.6.0"
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{
"last_affected": "4.3.0.6.0"
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{
"introduced": "4.4.0.0.0"
},
{
"last_affected": "4.4.0.0.0"
},
{
"introduced": "4.4.0.2.0"
},
{
"last_affected": "4.4.0.2.0"
},
{
"introduced": "4.4.0.3.0"
},
{
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}
],
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}
]
},
{
"cpes": [
"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:webcenter_portal:12.2.1.4.0:*:*:*:*:*:*:*"
],
"vendor_product": "oracle:webcenter_portal",
"extracted_events": [
{
"range": [
{
"introduced": "11.1.1.9.0"
},
{
"last_affected": "11.1.1.9.0"
},
{
"introduced": "12.2.1.3.0"
},
{
"last_affected": "12.2.1.3.0"
},
{
"introduced": "12.2.1.4.0"
},
{
"last_affected": "12.2.1.4.0"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2020-28052",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 433798,
"published_at": "2020-12-18T01:15:12.587+00:00"
}