Is CVE-2019-8273 in the CISA KEV catalog?

No. CVE-2019-8273 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2019-8273?

CVE-2019-8273 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2019-8273?

CVE-2019-8273 has an EPSS score of 8.26% (94th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2019-8273?

Upgrade sinumerik access mymachine\/p2p to 4.8 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2019-8273

CRITICALEPSS 94th pctl

9.8

CVSS v3

NVD

Description

UltraVNC revision 1211 has a heap buffer overflow vulnerability in VNC server code inside file transfer request handler, which can potentially result in code execution. This attack appears to be exploitable via network connectivity. This vulnerability has been fixed in revision 1212.

CWE-122Heap-based Buffer Overflow CWE-787Out-of-bounds Write

How to fix

Remediation Available

sinumerik access mymachine\/p2pNVD

Affected:< 4.8Fixed in:4.8CVE-2019-8273derived from NVD

sinumerik pcu base win10 software\/ipcNVD

Affected:< 14.00Fixed in:14.00CVE-2019-8273derived from NVD

ultravncNVD

Affected:< 1.2.2.3Fixed in:1.2.2.3CVE-2019-8273derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

8.26%probability of exploitation in 30 days

94thpercentile

High risk: more likely to be exploited than 94% of all known CVEs.

References

Third-Party Advisory3

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.