Vulnerability in Kyrol Internet Security
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.007 (50.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 50.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
- Kyrol Internet Security — versions 9.0.6.9
Weakness classification (CWE)
References
- nafiez.github.io/security/vulnerability/2019/12/04/kyrol-internet-security-inva… (Exploit, Third Party Advisory)
- github.com/nafiez/nafiez.github.io/blob/master/_posts/2019-12-04-kyrol-internet… (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-19820?
- CVE-2019-19820 is a high-severity vulnerability in Kyrol Internet Security, classified under Release of Invalid Pointer or Reference. CVSS score: 7.8/10. Published 2020-01-10.
- How severe is CVE-2019-19820?
- High severity. CVSS v3 base score is 7.8 out of 10.