Vulnerability details

CVE-2025-63807

CVSS 3.1
9.8Critical

Official description

An issue was discovered in weijiang1994 university-bbs (aka Blogin) in commit 9e06bab430bfc729f27b4284ba7570db3b11ce84 (2025-01-13). A weak verification code generation mechanism combined with missing rate limiting allows attackers to perform brute-force attacks on verification codes without authentication. Successful exploitation may result in account takeover via password reset or other authentication bypass methods.

CVSS scores

ScoreVersionSourceVector
9.8Critical 3.1 CISA ADP / Vulnrichment (CISA-ADP) CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

VendorProductVersionsSource
No product information recorded.

References and advisories

1
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Details

Published
2025-11-20
Last updated
2025-11-21
State
Published
Assigner (CNA)
mitre

Exploit prediction (EPSS)

0.52%
Probability of exploitation in 30 days
44.5%
Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable
Yes
Exploitation
None
Technical impact
Total

Weaknesses (CWE)

  • CWE-1390
    Weak Authentication
  • CWE-307
    Improper Restriction of Excessive Authentication Attempts