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CWE-203

781 CVEs • Abstraction: Base

Observable Discrepancy

The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor, which exposes security-relevant information about the state of the product, such as whether a particular operation was successful or not.

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CVEs (781)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
CVE-2000-1117
1Ibm
1Lotus Notes
Apr 16, 2026
Jan 9, 2001
N/A· v4
N/A· v3
5.0 MEDIUM· v2
The Extended Control List (ECL) feature of the Java Virtual Machine (JVM) in Lotus Notes Client R5 allows malicious web site operators to determine the existence of files on the client by measuring delays in the executio...Show more
The Extended Control List (ECL) feature of the Java Virtual Machine (JVM) in Lotus Notes Client R5 allows malicious web site operators to determine the existence of files on the client by measuring delays in the execution of the getSystemResource method.Show less