CVE-2018-18603

CVE-2018-18603 is a medium-severity vulnerability in 360totalsecurity 360 Total Security with a CVSS 3.x base score of 6.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

360 Total Security 3.5.0.1033 allows a Sandbox Escape via an "import os" statement, followed by os.system("CMD") or os.system("PowerShell"), within a .py file. NOTE: the vendor's position is that this cannot be categorized as a vulnerability, although it is a security-related issue

Frequently asked questions

What is CVE-2018-18603?
360 Total Security 3.5.0.1033 allows a Sandbox Escape via an "import os" statement, followed by os.system("CMD") or os.system("PowerShell"), within a .py file. NOTE: the vendor's position is that this cannot be categorized as a vulnerability, although it is a security-related issue
How severe is CVE-2018-18603?
CVE-2018-18603 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2018-18603 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-18603?
CVE-2018-18603 affects 360totalsecurity 360 Total Security. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-18603?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-18603 published?
CVE-2018-18603 was published on 2018-10-23 and last updated on 2026-06-17.

References

Affected products (1)

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