Vulnerability Details : CVE-2021-38433
RTI Connext DDS Professional and Connext DDS Secure Versions 4.2x to 6.1.0 vulnerable to a stack-based buffer overflow, which may allow a local attacker to execute arbitrary code.
Vulnerability category: OverflowExecute code
Products affected by CVE-2021-38433
- cpe:2.3:a:rti:connext_dds_professional:*:*:*:*:*:*:*:*
- cpe:2.3:a:rti:connext_dds_secure:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-38433
0.17%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 54 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-38433
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.6
|
MEDIUM | AV:L/AC:L/Au:N/C:P/I:P/A:P |
3.9
|
6.4
|
NIST | |
|
6.6
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H |
1.8
|
4.7
|
ICS-CERT | |
|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2021-38433
-
A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).Assigned by: ics-cert@hq.dhs.gov (Primary)
References for CVE-2021-38433
-
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
-
https://support.rti.com/s/login/?ec=302&startURL=%2Fs%2F
LoginPermissions Required;Vendor Advisory
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