CVE-2021-47809
CVE-2021-47809 is a high-severity vulnerability in Flexense Disk Sorter with a CVSS 3.x base score of 7.8. 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-428.
Key facts
- Severity: High (CVSS 3.x base score 7.8)
- CVSS v4: 8.5
- EPSS exploit prediction: 0% (11th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-3000
- Weakness: CWE-428
- Affected product: Flexense Disk Sorter
- Published:
- Last modified:
Description
Disk Sorter Enterprise 13.6.12 contains an unquoted service path vulnerability in its Windows service configuration that allows local attackers to potentially execute arbitrary code. Attackers can exploit the unquoted path in 'C:\Program Files\Disk Sorter Enterprise\bin\disksrs.exe' to inject malicious executables and escalate privileges.
Frequently asked questions
- What is CVE-2021-47809?
- Disk Sorter Enterprise 13.6.12 contains an unquoted service path vulnerability in its Windows service configuration that allows local attackers to potentially execute arbitrary code. Attackers can exploit the unquoted path in 'C:\Program Files\Disk Sorter Enterprise\bin\disksrs.exe' to inject malicious executables and escalate privileges.
- How severe is CVE-2021-47809?
- CVE-2021-47809 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2021-47809 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-47809?
- CVE-2021-47809 affects Flexense Disk Sorter. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-47809?
- 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-2021-47809 have an EU (EUVD) identifier?
- Yes. CVE-2021-47809 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-3000.
- When was CVE-2021-47809 published?
- CVE-2021-47809 was published on 2026-01-16 and last updated on 2026-06-17.
References
- https://www.disksorter.com
- https://www.exploit-db.com/exploits/50014
- https://www.vulncheck.com/advisories/disk-sorter-enterprise-disk-sorter-enterprise-unquoted-service-path
Affected products (1)
- cpe:2.3:a:flexense:disk_sorter:13.6.12:*:*:*:enterprise:*:*:*
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