What is CVE-2019-8258?

CVE-2019-8258 is a critical-severity vulnerability in Siemens Sinumerik_access_mymachine\/p2p, classified under Heap-based Buffer Overflow. CVSS score: 9.8/10. Published 2019-03-05.

How severe is CVE-2019-8258?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Siemens Sinumerik_access_mymachine\/p2p

CVE-2019-8258

UltraVNC revision 1198 has a heap buffer overflow vulnerability in VNC client code which results code execution. This attack appears to be exploitable via network connectivity. This vulnerability has been fixed in revision 1199.

Vulnerability class: Buffer Overflow

EPSS: 0.044 (90.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

vulnerability@kaspersky.com (Third Party Advisory, x_refsource_MISC)
vulnerability@kaspersky.com (x_refsource_CONFIRM, Third Party Advisory)
vulnerability@kaspersky.com (US Government Resource, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2019-8258?: CVE-2019-8258 is a critical-severity vulnerability in Siemens Sinumerik_access_mymachine\/p2p, classified under Heap-based Buffer Overflow. CVSS score: 9.8/10. Published 2019-03-05.
How severe is CVE-2019-8258?: Critical severity. CVSS v3 base score is 9.8 out of 10.