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CVE-2019-19820

HIGHCVSS 7.8/10EPSS 0.65%

Last modified

CVE-2019-19820 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. An invalid pointer vulnerability in IOCTL Handling in the kyrld.sys driver in Kyrol Internet Security 9.0.6.9 allows an attacker to achieve privilege escalation, denial-of-service, and code execution via usermode because 0x9C402405 using METHOD_NEITHER results in a read primitive.. EPSS estimates a 0.65% chance of exploitation in the next 30 days.

Description

An invalid pointer vulnerability in IOCTL Handling in the kyrld.sys driver in Kyrol Internet Security 9.0.6.9 allows an attacker to achieve privilege escalation, denial-of-service, and code execution via usermode because 0x9C402405 using METHOD_NEITHER results in a read primitive.

Metrics

CVSS 3.1
7.8/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
0.65%

46.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
KyrolInternet Security9.0.6.9

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2019-19820?
An invalid pointer vulnerability in IOCTL Handling in the kyrld.sys driver in Kyrol Internet Security 9.0.6.9 allows an attacker to achieve privilege escalation, denial-of-service, and code execution via usermode because 0x9C402405 using METHOD_NEITHER results in a read primitive.
How severe is CVE-2019-19820?
CVE-2019-19820 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.65% probability of exploitation in the next 30 days.
How do I fix CVE-2019-19820?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-19820?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST