IBM InfoSphere Info Server 11.7 Auth. Username Leak via Response Mismatch
CVE-2024-51477 Published on March 29, 2025
IBM InfoSphere Information Server information disclosure
IBM InfoSphere Information Server 11.7
could allow an authenticated to obtain sensitive username information due to an observable response discrepancy.
Vulnerability Analysis
CVE-2024-51477 can be exploited with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality, a small impact on integrity and availability.
Weakness Type
What is a Side Channel Attack Vulnerability?
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. Discrepancies can take many forms, and variations may be detectable in timing, control flow, communications such as replies or requests, or general behavior. These discrepancies can reveal information about the product's operation or internal state to an unauthorized actor. In some cases, discrepancies can be used by attackers to form a side channel.
CVE-2024-51477 has been classified to as a Side Channel Attack vulnerability or weakness.
Products Associated with CVE-2024-51477
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Affected Versions
IBM InfoSphere Information Server Version 11.7 is affected by CVE-2024-51477Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.