Buffer overflow in Belden Garrettcom_magnum_dx940e

CVE-2019-12261

Wind River VxWorks 6.7 though 6.9 and vx7 has a Buffer Overflow in the TCP component (issue 3 of 4). This is an IPNET security vulnerability: TCP Urgent Pointer state confusion during connect() to a remote host.

Vulnerability class: Buffer Overflow

EPSS: 0.090 (94.7th 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

Frequently asked questions

What is CVE-2019-12261?
CVE-2019-12261 is a critical-severity vulnerability in Belden Garrettcom_magnum_dx940e, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2019-08-09.
How severe is CVE-2019-12261?
Critical severity. CVSS v3 base score is 9.8 out of 10.