How severe is CVE-2022-31466?

CVE-2022-31466 has a CVSS 3.x base score of 7.9, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity high, and availability high.

Is CVE-2022-31466 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-31466?

CVE-2022-31466 affects Quickheal Total Security. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-31466?

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.

When was CVE-2022-31466 published?

CVE-2022-31466 was published on 2022-05-23 and last updated on 2026-06-17.

CVE-2022-31466

CVE-2022-31466 is a high-severity vulnerability in Quickheal Total Security with a CVSS 3.x base score of 7.9. 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-59.

Key facts

Severity: High (CVSS 3.x base score 7.9)
CVSS v2: 4.4
EPSS exploit prediction: 0% (5th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-59
Affected product: Quickheal Total Security
Published: 2022-05-23
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2022-31466?: 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.
How severe is CVE-2022-31466?: CVE-2022-31466 has a CVSS 3.x base score of 7.9, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity high, and availability high.
Is CVE-2022-31466 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-31466?: CVE-2022-31466 affects Quickheal Total Security. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-31466?: 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.
When was CVE-2022-31466 published?: CVE-2022-31466 was published on 2022-05-23 and last updated on 2026-06-17.

References

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

Affected products (1)

cpe:2.3:a:quickheal:total_security:*:*:*:*:*:*:*:*

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