Buffer overflow in Kaspersky Lab Ultravnc
CVE-2019-8276
UltraVNC revision 1211 has a stack buffer overflow vulnerability in VNC server code inside file transfer request handler, which can result in Denial of Service (DoS). This attack appears to be exploitable via network connectivity. This vulnerability has been fixed in revision 1212.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.057 (92.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 92.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.057 · newest: 0.057 · change: 0.000
Affected products
Weakness classification (CWE)
References
- ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-023-ul… (Third Party Advisory)
- cert-portal.siemens.com/productcert/pdf/ssa-927095.pdf (Third Party Advisory)
- www.us-cert.gov/ics/advisories/icsa-20-161-06 (US Government Resource, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-8276?
- CVE-2019-8276 is a high-severity vulnerability in Kaspersky Lab Ultravnc, classified under Stack-based Buffer Overflow. CVSS score: 7.5/10. Published 2019-03-08.
- How severe is CVE-2019-8276?
- High severity. CVSS v3 base score is 7.5 out of 10.