How severe is CVE-2018-6201?

CVE-2018-6201 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-6201 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-6201?

CVE-2018-6201 affects Escanav Anti-virus. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-6201?

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-2018-6201 published?

CVE-2018-6201 was published on 2018-01-25 and last updated on 2026-06-17.

CVE-2018-6201

CVE-2018-6201 is a high-severity vulnerability in Escanav Anti-virus with a CVSS 3.x base score of 7.8. 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-20.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 6.1
EPSS exploit prediction: 0% (32nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Escanav Anti-virus
Published: 2018-01-25
Last modified: 2026-06-17

Description

In eScan Antivirus 14.0.1400.2029, the driver file (econceal.sys) allows local users to cause a denial of service (BSOD) or possibly have unspecified other impact because of not validating input values from IOCtl 0x830020E0 or 0x830020E4.

Frequently asked questions

What is CVE-2018-6201?: In eScan Antivirus 14.0.1400.2029, the driver file (econceal.sys) allows local users to cause a denial of service (BSOD) or possibly have unspecified other impact because of not validating input values from IOCtl 0x830020E0 or 0x830020E4.
How severe is CVE-2018-6201?: CVE-2018-6201 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-6201 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-6201?: CVE-2018-6201 affects Escanav Anti-virus. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-6201?: 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-2018-6201 published?: CVE-2018-6201 was published on 2018-01-25 and last updated on 2026-06-17.

References

https://github.com/ZhiyuanWang-Chengdu-Qihoo360/EscanAV_POC/tree/master/0x830020E0_0x830020E4

Affected products (1)

cpe:2.3:a:escanav:anti-virus:14.0.1400.2029:*:*:*:*:*:*:*

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