Vulnerability Details : CVE-2021-38439
All versions of GurumDDS are vulnerable to heap-based buffer overflow, which may cause a denial-of-service condition or remotely execute arbitrary code.
Vulnerability category: OverflowExecute codeDenial of service
Products affected by CVE-2021-38439
- cpe:2.3:a:gurum:gurumdds:-:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-38439
0.28%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 65 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-38439
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST | |
|
8.6
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H |
3.9
|
4.7
|
ICS-CERT | |
|
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2021-38439
-
A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().Assigned by: ics-cert@hq.dhs.gov (Primary)
References for CVE-2021-38439
-
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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