CVE-2020-5143 vulnerability in SonicWall Products
Published on October 12, 2020
SonicOS SSLVPN login page allows a remote unauthenticated attacker to perform firewall management administrator username enumeration based on the server responses. This vulnerability affected SonicOS Gen 5 version 5.9.1.7, 5.9.1.13, Gen 6 version 6.5.4.7, 6.5.1.12, 6.0.5.3, SonicOSv 6.5.4.v and Gen 7 version SonicOS 7.0.0.0.
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-2020-5143 has been classified to as a Side Channel Attack vulnerability or weakness.
Products Associated with CVE-2020-5143
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Affected Versions
SonicWall SonicOS:- Version SonicOS 6.5.4.7-79n and earlier is affected.
- Version SonicOS 5.9.1.7-2n and earlier is affected.
- Version SonicOS 5.9.1.13-5n and earlier is affected.
- Version SonicOS 6.5.1.11-4n and earlier is affected.
- Version SonicOS 6.0.5.3-93o and earlier is affected.
- Version SonicOSv 6.5.4.4-44v-21-794 and earlier is affected.
- Version SonicOS 7.0.0.0-1 is affected.
Exploit 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.