CVE-2021-47787
CVE-2021-47787 is a high-severity vulnerability in Totalav 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% (14th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-2998
- Weakness: CWE-428
- Affected product: Totalav
- Published:
- Last modified:
Description
TotalAV 5.15.69 contains an unquoted service path vulnerability in multiple system services running with LocalSystem privileges. Attackers can place malicious executables in specific unquoted path segments to potentially gain SYSTEM-level access by exploiting the service path configuration.
Frequently asked questions
- What is CVE-2021-47787?
- TotalAV 5.15.69 contains an unquoted service path vulnerability in multiple system services running with LocalSystem privileges. Attackers can place malicious executables in specific unquoted path segments to potentially gain SYSTEM-level access by exploiting the service path configuration.
- How severe is CVE-2021-47787?
- CVE-2021-47787 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-2021-47787 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-47787?
- CVE-2021-47787 affects Totalav. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-47787?
- 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-2021-47787 have an EU (EUVD) identifier?
- Yes. CVE-2021-47787 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-2998.
- When was CVE-2021-47787 published?
- CVE-2021-47787 was published on 2026-01-16 and last updated on 2026-06-17.
References
- https://www.exploit-db.com/exploits/50314
- https://www.totalav.com
- https://www.vulncheck.com/advisories/totalav-unquoted-service-path
Affected products (1)
- cpe:2.3:a:totalav:totalav:5.15.69:*:*:*:*:*:*:*
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