Vulnerability in Quickheal Total Security
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.9 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:N/I:H/A:H.
EPSS exploit prediction
EPSS: 0.002 (4.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 4th percentile — 4.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000
Affected products
Weakness classification (CWE)
References
- softwaresec001.wordpress.com/2022/05/13/privilege-escalation-vulnerability-in-q… (Third Party Advisory)
Frequently asked questions
- What is CVE-2022-31466?
- CVE-2022-31466 is a high-severity vulnerability in Quickheal Total Security, classified under Improper Link Resolution Before File Access. CVSS score: 7.9/10. Published 2022-05-23.
- How severe is CVE-2022-31466?
- High severity. CVSS v3 base score is 7.9 out of 10.