What’s Vulnerable › Vulnerabilities

CVE-2020-9389

• Severity: low (CVSS 3.7 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-02-03 · updated 2026-06-17
• Weakness: CWE-203

Description

A username enumeration issue was discovered in SquaredUp before version 4.6.0. The login functionality was implemented in a way that would enable a malicious user to guess valid username due to a different response time from invalid usernames.

Affected products

• Squaredup: through 4.6

References

• https://support.squaredup.com/hc/en-us/articles/360017255858
• https://support.squaredup.com/hc/en-us/articles/360019427238-CVE-2020-9389-Username-enumeration-possible-via-a-timing-attack
• https://support.squaredup.com/hc/en-us/articles/360017255858
• https://support.squaredup.com/hc/en-us/articles/360019427238-CVE-2020-9389-Username-enumeration-possible-via-a-timing-attack

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