CVE-2025-63807
CVE-2025-63807 is a critical-severity vulnerability in 2dogz Blogin with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-307.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- EPSS exploit prediction: 0% (36th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-198338
- Weakness: CWE-307
- Affected product: 2dogz Blogin
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2025-63807?
- 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.
- How severe is CVE-2025-63807?
- CVE-2025-63807 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2025-63807 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2025-63807?
- CVE-2025-63807 affects 2dogz Blogin. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2025-63807?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- Does CVE-2025-63807 have an EU (EUVD) identifier?
- Yes. CVE-2025-63807 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-198338.
- When was CVE-2025-63807 published?
- CVE-2025-63807 was published on 2025-11-20 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:2dogz:blogin:*:*:*:*:*:*:*:*
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