What is CVE-2021-38445?

CVE-2021-38445 is a high-severity vulnerability in Objectcomputing Opendds, classified under Improper Handling of Length Parameter Inconsistency. CVSS score: 7.0/10. Published 2022-05-05.

How severe is CVE-2021-38445?

High severity. CVSS v3 base score is 7.0 out of 10.

Vulnerability in Objectcomputing Opendds

CVE-2021-38445

OCI OpenDDS versions prior to 3.18.1 do not handle a length parameter consistent with the actual length of the associated data, which may allow an attacker to remotely execute arbitrary code.

Published 2022-05-05 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H.

EPSS exploit prediction

EPSS: 0.027 (85.3th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 85.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.025 · newest: 0.027 · change: +0.002

Affected products

Objectcomputing Opendds
Oci Opendds — versions unspecified

Weakness classification (CWE)

CWE-130 — Improper Handling of Length Parameter Inconsistency

References

www.cisa.gov/uscert/ics/advisories/icsa-21-315-02 (US Government Resource, Third Party Advisory)
opendds.org/ (Product)

Frequently asked questions

What is CVE-2021-38445?: CVE-2021-38445 is a high-severity vulnerability in Objectcomputing Opendds, classified under Improper Handling of Length Parameter Inconsistency. CVSS score: 7.0/10. Published 2022-05-05.
How severe is CVE-2021-38445?: High severity. CVSS v3 base score is 7.0 out of 10.