Vulnerability in Veeam One
CVSS score
9.3
EPSS probability
%0.5
Risk score
0.1
Published
1 mo ago
Resmî kaynaklarda yeterli kanıt bulunamadı. Bu sonuç “yama yok” anlamına gelmez.
Impact on My Inventory
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Vulnerability description
CVE AI research
DayBreach AI Explanation
Verified against sourcesSources read
2
Source agreement
Tam uyum
Evidence confidence
%58
Short explanation
A critical vulnerability in Veeam ONE allows unauthenticated attackers to coerce SMB authentication from the service account. It affects versions prior to 13.1 and 13.0.2. Patch status is unknown. No active exploitation or ransomware use is reported by CISA.
This vulnerability exposes service account credentials to unauthenticated attackers, enabling potential unauthorized access and lateral movement. It is critical due to high CVSS score and lack of confirmed patch status.
What should be done?
- Apply vendor patch if available (refer to Veeam KB4905)
- Ensure version is updated to 13.1 or 13.0.2 or later
- Monitor for unauthorized SMB authentication attempts
The sources give limited detail on some technical conditions. Review the chain of evidence below before deciding how to act.
Chain of evidence and sources
Veeam ONE'da kritik bir açıklık, ağ üzerinden kimlik doğrulaması olmadan hizmet hesabıyla SMB kimlik doğrulamasını zorlayabilen bir saldırıya izin verir ve CVSS puanı 9.3'tür.
Açıklık, Veeam ONE 13.1 ve 13.0.2'ye kadar olan sürümlerde etkili olup, yama durumu doğrulanamamıştır.
Açıklık CWE-288 kategorisinde yer alır ve CISA KEV kaydında aktif istismar veya ransomware kullanım bilgisi yoktur.
Show the technical text from the sources
A vulnerability allowing an unauthenticated network attacker to coerce SMB authentication from the service account.
CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:H/SI:L/SA:L
CWE: CWE-288
Explanation produced with the local qwen3:4b-instruct model. Numerical metrics and the KEV, patch and exploit statuses are not determined by AI.
IMPACT: Affected Products and Software
Affected Products
The following products are affected by CVE-2026-65641 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.
| ID | VENDOR | PRODUCT | ACTION |
|---|---|---|---|
| 1 | Veeam | ONE | View |
RED HAT CSAF/VEX: Product Impact Check
SCORING: CVSS from Multiple Sources
CVSS Scores
The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.
| SCORE | VERSION | SEVERITY | VECTOR | SOURCE |
|---|---|---|---|---|
| 9.3 | CVSS V4_0 | CRITICAL | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:H/SI:L/SA:L | CVE CNA |
| 9.3 | CVSS V40 | CRITICAL | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:H/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X | NVD |
Patch and Remediation Guide
Solution & Remediation Advisory
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Public exploit and active exploitation status
Verified exploit intelligence
No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.
Weakness Classification and Attack Patterns (CWE & CAPEC)
CWE - Common Weakness Enumeration
While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-65641 is associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-65641 weaknesses.
Attack Vector and Accessibility
Official Sources and Advisories
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Get this vulnerability through the API
Affected products, version ranges, exploitation status and patch information in a single request, with a free key.
curl -H "x-api-key: $DAYBREACH_API_KEY" \ "https://api.enginteksut.com.tr/api/v1/intel/cves/CVE-2026-65641"