How severe is CVE-2018-5701?

CVE-2018-5701 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-5701 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 19% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-5701?

CVE-2018-5701 affects Iolo System Shield. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-5701?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2018-5701 published?

CVE-2018-5701 was published on 2018-01-31 and last updated on 2026-06-17.

CVE-2018-5701

CVE-2018-5701 is a critical-severity vulnerability in Iolo System Shield with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 19% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-119.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 19% (97th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Iolo System Shield
Published: 2018-01-31
Last modified: 2026-06-17

Description

In Iolo System Shield AntiVirus and AntiSpyware 5.0.0.136, the amp.sys driver file contains an Arbitrary Write vulnerability due to not validating input values from IOCtl 0x00226003.

Frequently asked questions

What is CVE-2018-5701?: In Iolo System Shield AntiVirus and AntiSpyware 5.0.0.136, the amp.sys driver file contains an Arbitrary Write vulnerability due to not validating input values from IOCtl 0x00226003.
How severe is CVE-2018-5701?: CVE-2018-5701 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-5701 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 19% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-5701?: CVE-2018-5701 affects Iolo System Shield. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-5701?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2018-5701 published?: CVE-2018-5701 was published on 2018-01-31 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:iolo:system_shield:5.0.0.136:*:*:*:*:*:*:*

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