Username enumeration via recovery response discrepancies
Published Mar 14, 2024 · Updated Aug 26, 2024
Observable response discrepancies in vantage6 4.2.2 and earlier allow remote attackers to enumerate valid usernames. The /recover/lost and /2fa/lost routes perform account-dependent email and login work, exposing timing differences and a “Failed to login” response when a username exists. No established account is required; disclosure is limited to username validity, enabling targeted follow-on attempts without direct data modification or service interruption.
Summary
What happened
Observable response discrepancies in vantage6 4.2.2 and earlier allow remote attackers to enumerate valid usernames. The /recover/lost and /2fa/lost routes perform account-dependent email and login work, exposing timing differences and a “Failed to login” response when a username exists. No established account is required; disclosure is limited to username validity, enabling targeted follow-on attempts without direct data modification or service interruption.
The record
- CVE
- CVE-2024-24770
- Published
- Mar 14, 2024
- Updated
- Aug 26, 2024
- Vendor
- vantage6
- Product
- vantage6
- Classifications
- CWE-362, CWE-208, T1589.001
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Mar 14, 2024CVE publishedPublication date reported by the CVE source.
- Aug 26, 2024Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=0 <=4.2.2
- Affected versionversion=<= 4.2.2
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
No public exploit references are available in this record.
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Technologies
Your stack
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Your stack
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