CVE-2019-19197
CVE-2019-19197 is a high-severity vulnerability in Kyrolsecuritylabs Kyrol Internet Security 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-732.
Key facts
- Severity: High (CVSS 3.x base score 7.8)
- CVSS v2: 7.2
- EPSS exploit prediction: 1% (43rd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-732
- Affected product: Kyrolsecuritylabs Kyrol Internet Security
- Published:
- Last modified:
Description
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 0x9C402401 using METHOD_NEITHER results in a read primitive.
Frequently asked questions
- What is CVE-2019-19197?
- 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 0x9C402401 using METHOD_NEITHER results in a read primitive.
- How severe is CVE-2019-19197?
- CVE-2019-19197 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-2019-19197 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2019-19197?
- CVE-2019-19197 affects Kyrolsecuritylabs Kyrol Internet Security. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2019-19197?
- 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-2019-19197 published?
- CVE-2019-19197 was published on 2019-11-21 and last updated on 2026-06-17.
References
- https://github.com/nafiez/nafiez.github.io/blob/master/_posts/2019-11-16-kyrol-internet-security-driver-issue.md
- https://nafiez.github.io/security/vulnerability/2019/11/16/kyrol-internet-security-driver-issue.html
Affected products (1)
- cpe:2.3:a:kyrolsecuritylabs:kyrol_internet_security:9.0.6.9:*:*:*:*:*:*:*
Other CWE-732 (Incorrect Permission Assignment for Critical Resource) vulnerabilities
- CVE-2026-9508 — Critical (CVSS 10.0): Incorrect permission settings on a critical resource in Suprema BioStar 2 (versions 2.9.3 through 2.9.11) that allow…
- CVE-2025-14988 — Critical (CVSS 10.0): A security issue has been identified in ibaPDA that could allow unauthorized actions on the file system under certain…
- CVE-2025-69426 — Critical (CVSS 10.0): The Ruckus vRIoT IoT Controller firmware versions prior to 3.0.0.0 (GA) contain hardcoded credentials for an operating…
- CVE-2025-12004 — Critical (CVSS 10.0): Incorrect Permission Assignment for Critical Resource vulnerability in The Wikimedia Foundation Mediawiki - Lockdown…
- CVE-2014-125121 — Critical (CVSS 10.0): Array Networks vAPV (version 8.3.2.17) and vxAG (version 9.2.0.34) appliances are affected by a privilege escalation…
- CVE-2025-46093 — Critical (CVSS 9.9): LiquidFiles before 4.1.2 supports FTP SITE CHMOD for mode 6777 (setuid and setgid), which allows FTPDrop users to…
Browse all CWE-732 (Incorrect Permission Assignment for Critical Resource) vulnerabilities →