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Vulnerability record · CVE-2018-5701 · published 31 January 2018

CVE-2018-5701: Iolo system shield memory buffer overflow vulnerability

Iolo · System Shield

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.

9.8 CVSS 3.0 Critical EPSS 18% · top 2.8% CWE-119 · Memory buffer overflow
9.8CVSS 3.0 base score, v2 10.0
18%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References, 2 tagged exploit
17 Jun 2026Last modified by NVD

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.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://packetstormsecurity.com/files/146165/System-Shield-5.0.0.136-Privilege-Escalation.html Third Party AdvisoryVDB Entry
https://www.exploit-db.com/exploits/43929/ Third Party AdvisoryVDB Entry
https://www.greyhathacker.net/?p=1006 ExploitThird Party Advisory
http://packetstormsecurity.com/files/146165/System-Shield-5.0.0.136-Privilege-Escalation.html Third Party AdvisoryVDB Entry
https://www.exploit-db.com/exploits/43929/ Third Party AdvisoryVDB Entry
https://www.greyhathacker.net/?p=1006 ExploitThird Party Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2018-5701), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.