CVE-2021-38447
CVE-2021-38447 is a high-severity vulnerability in Objectcomputing Opendds with a CVSS 3.x base score of 8.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-405.
Key facts
- Severity: High (CVSS 3.x base score 8.6)
- CVSS v2: 4.3
- EPSS exploit prediction: 2% (80th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-405
- Affected product: Objectcomputing Opendds
- Published:
- Last modified:
Description
OCI OpenDDS versions prior to 3.18.1 are vulnerable when an attacker sends a specially crafted packet to flood target devices with unwanted traffic, which may result in a denial-of-service condition.
Frequently asked questions
- What is CVE-2021-38447?
- OCI OpenDDS versions prior to 3.18.1 are vulnerable when an attacker sends a specially crafted packet to flood target devices with unwanted traffic, which may result in a denial-of-service condition.
- How severe is CVE-2021-38447?
- CVE-2021-38447 has a CVSS 3.x base score of 8.6, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability high.
- Is CVE-2021-38447 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-38447?
- CVE-2021-38447 affects Objectcomputing Opendds. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-38447?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2021-38447 published?
- CVE-2021-38447 was published on 2022-05-05 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:objectcomputing:opendds:*:*:*:*:*:*:*:*
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