CVE-2021-38445

Q: How do I fix CVE-2021-38445?

Upgrade opendds to 3.18.1 or later.

Q: Is CVE-2021-38445 being actively exploited?

Not that we know of. CVE-2021-38445 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 2.5% is the estimated probability that it will be exploited in the next 30 days. That is higher than 84% of all scored CVEs.

Q: How severe is CVE-2021-38445?

CVE-2021-38445 has a CVSS v3 base score of 7.0, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

Q: What does CVE-2021-38445 affect?

Published advisories record a fix for opendds (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

HIGHEPSS 84th pctl

7.0

CVSS v3

NVD

Description

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.

CWE-130

How to fix

Remediation Available

openddsNVD

Affected:< 3.18.1Fixed in:3.18.1CVE-2021-38445derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityHigh

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H

Exploit Intelligence

2.52%probability of exploitation in 30 days

84thpercentile

Elevated risk: more likely to be exploited than 84% of all known CVEs.

References

Third-Party Advisory1

cisa.gov

Product1

opendds.org

Related Vulnerabilities

Other CWE-130 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-14847	High	7.5	83%	KEV	Fix
CVE-2024-39614	High	7.5	29%	-	Fix
CVE-2021-36090	High	7.5	13%	-	Fix
CVE-2021-35516	High	7.5	12%	-	Fix
CVE-2021-35517	High	7.5	11%	-	Fix
CVE-2019-3862	High	7.3	7.7%	-	Fix

Common questions

How do I fix CVE-2021-38445?

Upgrade opendds to 3.18.1 or later.

Is CVE-2021-38445 being actively exploited?

Not that we know of. CVE-2021-38445 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 2.5% is the estimated probability that it will be exploited in the next 30 days. That is higher than 84% of all scored CVEs.

How severe is CVE-2021-38445?

CVE-2021-38445 has a CVSS v3 base score of 7.0, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2021-38445 affect?

Published advisories record a fix for opendds (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

Embed a live status badge for CVE-2021-38445

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.