Authentication bypass via uncleared email verification code
Published Oct 24, 2025 · Updated Oct 24, 2025
Improper authentication in emlog 2.5.23 allows remote attackers to reuse a valid email verification code across protected actions. The checkMailCode function reads the mail_code session value but unsets the unrelated code value, leaving the validated mail code available for later checks. Exploitation requires a valid code in the same session and bypasses email-code freshness, with no reported confidentiality or availability impact.
Summary
What happened
Improper authentication in emlog 2.5.23 allows remote attackers to reuse a valid email verification code across protected actions. The checkMailCode function reads the mail_code session value but unsets the unrelated code value, leaving the validated mail code available for later checks. Exploitation requires a valid code in the same session and bypasses email-code freshness, with no reported confidentiality or availability impact.
The record
- CVE
- CVE-2025-62717
- Published
- Oct 24, 2025
- Updated
- Oct 24, 2025
- Vendor
- emlog
- Product
- emlog
- Classifications
- CWE-287, T1078
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Oct 24, 2025CVE publishedPublication date reported by the CVE source.
- Oct 24, 2025Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
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- Affected versionversion== 2.5.23
What conditions does exploitation require?
What is affected?
Published CVSS scores
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Attacks
What attackers are doing with it
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Public exploit references
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Technologies
Your stack
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Your stack
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