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CVE-2020-28052

Published: Dec 18, 2020Updated: May 12, 2025 Sources: CVE List NVD GHSANVD-CWE-Other
NVD MITRE
8.1CVSSHIGH
EPSS Score
7.1%
Top 6.5%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
Patch Available

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 Vector Breakdown

AV:NAC:HPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:HAttack Complexity
High
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

NVD-CWE-Other

Affected Products

bc-javabouncycastle
Library
OSS Libraries / generic-library
karafapache
Mixed
Web & CMS Plugins / cms-core
banking corporate lending process managementoracle
On-premWeb App
Enterprise Software / itsm-monitoring
banking credit facilities process managementoracle
On-premWeb App
Enterprise Software / itsm-monitoring
banking extensibility workbenchoracle
On-prem
Databases / relational
bouncycastleoss-projectOSS Librariesaka bouncycastle
apacheoss-projectUSWeb & CMS Pluginsaka apache http server, apache httpd
oraclecommercialUSDatabasesaka oracle corp.
and 23 more affected products View all →

Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available
Workaround Available

References

https://github.com/bcgit/bc-java/wiki/CVE-2020-28052
github.com
https://lists.apache.org/thread.html/r167dbc42ef7c59802c2ca1ac14735ef9cf687c25208229993d6206fe%40%3Cissues.karaf.apache.org%3E
lists.apache.org
https://lists.apache.org/thread.html/r175f5a25d100dbe2b1bd3459b3ce882a84c3ff91b120ed4ff2d57b53%40%3Ccommits.pulsar.apache.org%3E
lists.apache.org
and 44 more references View all →

Timeline

Published
Dec 18, 2020
Last Updated
May 12, 2025

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