CVE-2025-63811
CVE-2025-63811 is a high-severity vulnerability in Dvsekhvalnov Jose2go with a CVSS 3.x base score of 7.5. 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-400.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- EPSS exploit prediction: 0% (15th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-131963
- Weakness: CWE-400
- Affected product: Dvsekhvalnov Jose2go
- Published:
- Last modified:
Description
An issue was discovered in dvsekhvalnov jose2go 1.5.0 thru 1.7.0 allowing an attacker to cause a Denial-of-Service (DoS) via crafted JSON Web Encryption (JWE) token with an exceptionally high compression ratio.
Frequently asked questions
- What is CVE-2025-63811?
- An issue was discovered in dvsekhvalnov jose2go 1.5.0 thru 1.7.0 allowing an attacker to cause a Denial-of-Service (DoS) via crafted JSON Web Encryption (JWE) token with an exceptionally high compression ratio.
- How severe is CVE-2025-63811?
- CVE-2025-63811 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2025-63811 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2025-63811?
- CVE-2025-63811 affects Dvsekhvalnov Jose2go. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2025-63811?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2025-63811 have an EU (EUVD) identifier?
- Yes. CVE-2025-63811 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-131963.
- When was CVE-2025-63811 published?
- CVE-2025-63811 was published on 2025-11-12 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:dvsekhvalnov:jose2go:*:*:*:*:*:go:*:*
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