8.5
HIGH CVSS 4.0
CVE-2021-47787
TotalAV 5.15.69 - Unquoted Service Path
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.

INFO

Published Date :

Jan. 16, 2026, 12:16 a.m.

Last Modified :

Feb. 9, 2026, 2:08 p.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2021-47787 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Totalav totalav
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH 83251b91-4cc7-4094-a5c7-464a1b83ea10
CVSS 3.1 HIGH [email protected]
CVSS 4.0 HIGH 83251b91-4cc7-4094-a5c7-464a1b83ea10
CVSS 4.0 HIGH [email protected]
Solution
Remediate unquoted service path by quoting paths or removing spaces.
  • Quote service paths containing spaces.
  • Remove spaces from service paths.
  • Remove unnecessary privilege for the service.
  • Ensure services run with least privilege.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2021-47787.

URL Resource
https://www.exploit-db.com/exploits/50314 Exploit Third Party Advisory VDB Entry
https://www.totalav.com Product
https://www.vulncheck.com/advisories/totalav-unquoted-service-path Third Party Advisory
https://www.exploit-db.com/exploits/50314 Exploit Third Party Advisory VDB Entry
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-47787 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-2021-47787 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-47787 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-47787 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Initial Analysis by [email protected]

    Feb. 09, 2026

    Action Type Old Value New Value
    Added CPE Configuration OR *cpe:2.3:a:totalav:totalav:5.15.69:*:*:*:*:*:*:*
    Added Reference Type VulnCheck: https://www.exploit-db.com/exploits/50314 Types: Exploit, Third Party Advisory, VDB Entry
    Added Reference Type VulnCheck: https://www.totalav.com Types: Product
    Added Reference Type VulnCheck: https://www.vulncheck.com/advisories/totalav-unquoted-service-path Types: Third Party Advisory
    Added Reference Type CISA-ADP: https://www.exploit-db.com/exploits/50314 Types: Exploit, Third Party Advisory, VDB Entry
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Jan. 16, 2026

    Action Type Old Value New Value
    Added Reference https://www.exploit-db.com/exploits/50314
  • New CVE Received by [email protected]

    Jan. 16, 2026

    Action Type Old Value New Value
    Added 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.
    Added CVSS V4.0 AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/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
    Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Added CWE CWE-428
    Added Reference https://www.exploit-db.com/exploits/50314
    Added Reference https://www.totalav.com
    Added Reference https://www.vulncheck.com/advisories/totalav-unquoted-service-path
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.