CVE-2020-28052: apache karaf
Vulnerability summary
CVE-2020-28052 is a high (CVSS 8.1) vulnerability in apache karaf. EPSS estimates a 7.22% chance of exploitation in the next 30 days, higher than 94.3% of scored vulnerabilities. 1 public exploit is recorded.
Public exploit (reference, Date unknown)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 5 · Related 1Timeline
- 18-12-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
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 metrics
5 scores · 4 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated8.1HighCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated8.1HighCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · MavenEcosystem advisory · calculated8.1HighCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
7.22%
Chance of exploitation in the next 30 days
Percentile
94%
Versus all other CVEs
30-day change
No change 0.00 pp
From 7.22% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
1 foundExploit Reference (synopsys.com)
Maturity: unknown
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Oracle18 products
- banking_corporate_lending_process_management14.2.0 | 14.3.0 | 14.5.0
- banking_credit_facilities_process_management14.2.0 | 14.3.0 | 14.5.0
- banking_extensibility_workbench14.2.0 | 14.3.0 | 14.5.0
- banking_supply_chain_finance14.2.0 | 14.3.0 | 14.5.0
- banking_virtual_account_management14.2.0 | 14.3.0 | 14.5.0
Org.bouncycastle7 products
- bcprov-ext-jdk15on≥ 1.65, < 1.67
- bcprov-ext-jdk16≥ 1.65, < 1.67
- bcprov-jdk14≥ 1.65, < 1.67
- bcprov-jdk15≥ 1.65, < 1.67
- bcprov-jdk15on≥ 1.65, < 1.67
Apache1 product
- karaf4.3.2
Bouncycastle1 product
- bc-java1.65 | 1.66
Debian1 product
- bouncycastle< 1.65-2
Ubuntu1 product
- bouncycastleAll versions (No fix recorded)
6 vendors · 29 products
References
50 links- github.com/bcgit/bc-java/wiki/CVE-2020-28052X Refsource MISCREPORTWEBMitigationPatchThird Party Advisory
Show all 50 references
- www.synopsys.com/blogs/software-security/cve-2020-28052-bouncy-castle/X Refsource MISCREPORTExploitThird Party Advisory
- github.com/bcgit/bc-javaPACKAGE