Is CVE-2021-38443 in the CISA KEV catalog?

No. CVE-2021-38443 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-38443?

CVE-2021-38443 has a CVSS v3 base score of 6.6 (MEDIUM).

What is the EPSS score for CVE-2021-38443?

CVE-2021-38443 has an EPSS score of 2.19% (80th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-38443?

Upgrade cyclonedds on debian 12 to 0.8.1-2 or later.

CVE & CISA-KEV Catalog

CVE-2021-38443

MEDIUMEPSS 80th pctl

6.6

CVSS v3

NVD

Description

Eclipse CycloneDDS versions prior to 0.8.0 improperly handle invalid structures, which may allow an attacker to write arbitrary values in the XML parser.

CWE-228

How to fix

Remediation Available

cycloneddsDebian

Fixed in:0.8.1-2CVE-2021-38443

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 VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityHigh

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

Exploit Intelligence

2.19%probability of exploitation in 30 days

80thpercentile

Elevated risk: more likely to be exploited than 80% of all known CVEs.

References

Third-Party Advisory1

cisa.gov

Product1

projects.eclipse.org

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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.