Vulnerability Details : CVE-2021-38487
RTI Connext DDS Professional, Connext DDS Secure versions 4.2x to 6.1.0, and Connext DDS 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.
Vulnerability category: Denial of service
Products affected by CVE-2021-38487
- cpe:2.3:a:rti:connext_dds_micro:*:*:*:*:*:*:*:*
- cpe:2.3:a:rti:connext_professional:*:*:*:*:*:*:*:*
- cpe:2.3:a:rti:connext_secure:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-38487
0.21%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 59 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-38487
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
6.4
|
MEDIUM | AV:N/AC:L/Au:N/C:P/I:N/A:P |
10.0
|
4.9
|
NIST | |
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
ICS-CERT | |
9.1
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H |
3.9
|
5.2
|
NIST |
CWE ids for CVE-2021-38487
-
The product does not sufficiently monitor or control transmitted network traffic volume, so that an actor can cause the product to transmit more traffic than should be allowed for that actor.Assigned by: ics-cert@hq.dhs.gov (Primary)
References for CVE-2021-38487
-
https://www.cisa.gov/uscert/ics/advisories/icsa-21-315-02
Multiple Data Distribution Service (DDS) Implementations (Update A) | CISAThird Party Advisory;US Government Resource
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https://support.rti.com/s/login/?ec=302&startURL=%2Fs%2F
LoginPermissions Required;Vendor Advisory
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