CVE-2021-38487: RTI Connext Professional versions 4.1 to 6.1.0, and Connext Micro versions 2.4 and later are vulnerable when an attacker sends a specially crafted packet to…

PriorityP354critical9.1CVSS 3.1

AVNACLPRNUINSUCHINAH

EPSS

3.33%

87.1th percentile

RTI Connext Professional versions 4.1 to 6.1.0, and Connext Micro versions 2.4 and later are vulnerable when an attacker sends a specially crafted packet to flood target devices with unwanted traffic. This may result in a denial-of-service condition and information exposure.

Affected

7 ranges

Vendor	Product	Version range	Fixed in
rti	connext_dds_micro	>= 2.4	—
rti	connext_micro	>= 2.4.0 < 2.4.*	2.4.*
rti	connext_micro	>= 3.0.0 < 3.0.*	3.0.*
rti	connext_micro	>= 4.0.0 < 4.0.*	4.0.*
rti	connext_professional	>= 4.1 < 6.1.0	6.1.0
rti	connext_professional	>= 4.2 < 6.1.0	6.1.0
rti	connext_secure	>= 4.2 < 6.1.0	6.1.0

CVSS provenance

nvdv3.19.1CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

nvdv4.08.8HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

nvdv2.06.4MEDIUMAV:N/AC:L/Au:N/C:P/I:N/A:P

Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.