CVE-2021-38429
CVE-2021-38429 is a medium-severity vulnerability in Objectcomputing Opendds with a CVSS 3.x base score of 6.6. 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-406.
Key facts
- Severity: Medium (CVSS 3.x base score 6.6)
- CVSS v2: 6.4
- EPSS exploit prediction: 1% (70th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-406
- 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 and information exposure.
Frequently asked questions
- What is CVE-2021-38429?
- 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 and information exposure.
- How severe is CVE-2021-38429?
- CVE-2021-38429 has a CVSS 3.x base score of 6.6, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability high.
- Is CVE-2021-38429 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-38429?
- CVE-2021-38429 affects Objectcomputing Opendds. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-38429?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-38429 published?
- CVE-2021-38429 was published on 2022-05-05 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:objectcomputing:opendds:*:*:*:*:*:*:*:*
More vulnerabilities in Objectcomputing Opendds
- CVE-2021-38447 — High (CVSS 8.6): OCI OpenDDS versions prior to 3.18.1 are vulnerable when an attacker sends a specially crafted packet to flood target…
- CVE-2025-67111 — High (CVSS 7.5): An integer overflow in the RTPS protocol implementation of OpenDDS DDS before v3.33.0 allows attackers to cause a…
- CVE-2023-52427 — High (CVSS 7.5): In OpenDDS through 3.27, there is a segmentation fault for a DataWriter with a large value of…
- CVE-2023-37915 — High (CVSS 7.5): OpenDDS is an open source C++ implementation of the Object Management Group (OMG) Data Distribution Service (DDS).…
- CVE-2021-38445 — High (CVSS 7.0): OCI OpenDDS versions prior to 3.18.1 do not handle a length parameter consistent with the actual length of the…
- CVE-2023-23932 — Medium (CVSS 5.3): OpenDDS is an open source C++ implementation of the Object Management Group (OMG) Data Distribution Service (DDS).…
All CVEs affecting Objectcomputing Opendds →
Other CWE-406 vulnerabilities
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- CVE-2021-38487 — High (CVSS 8.2): RTI Connext Professional versions 4.1 to 6.1.0, and Connext Micro versions 2.4 and later are vulnerable when an…
- CVE-2023-49203 — High (CVSS 7.5): Technitium 11.5.3 allows remote attackers to cause a denial of service (bandwidth amplification) because the DNSBomb…
- CVE-2023-28456 — High (CVSS 7.5): An issue was discovered in Technitium through 11.0.2. It enables attackers to launch amplification attacks (3 times…
- CVE-2023-28455 — High (CVSS 7.5): An issue was discovered in Technitium through 11.0.2. The forwarding mode enables attackers to create a query loop…