CVE-2021-38445
CVE-2021-38445 is a high-severity vulnerability in Objectcomputing Opendds with a CVSS 3.x base score of 7.0. 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-130.
Key facts
- Severity: High (CVSS 3.x base score 7.0)
- CVSS v2: 7.5
- EPSS exploit prediction: 3% (83rd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-130
- Affected product: Objectcomputing Opendds
- Published:
- Last modified:
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.
Frequently asked questions
- What is 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.
- How severe is CVE-2021-38445?
- CVE-2021-38445 has a CVSS 3.x base score of 7.0, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability high.
- Is CVE-2021-38445 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-38445?
- CVE-2021-38445 affects Objectcomputing Opendds. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-38445?
- 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-2021-38445 published?
- CVE-2021-38445 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-2021-38429 — Medium (CVSS 6.6): OCI OpenDDS versions prior to 3.18.1 are vulnerable when an attacker sends a specially crafted packet to flood target…
- 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-130 vulnerabilities
- CVE-2022-2714 — Critical (CVSS 9.8): Improper Handling of Length Parameter Inconsistency in GitHub repository francoisjacquet/rosariosis prior to 10.0.
- CVE-2026-9054 — Critical (CVSS 9.2): An attacker sending tcp, il, rudp, rudp, or gre packets with a length less than the header size would trigger a kernel…
- CVE-2022-1543 — High (CVSS 8.8): Improper handling of Length parameter in GitHub repository erudika/scoold prior to 1.49.4. When the text size is large…
- CVE-2026-3868 — High (CVSS 8.7): An improper handling of the length parameter inconsistency vulnerability has been identified in Moxa’s Secure…
- CVE-2026-5367 — High (CVSS 8.6): A flaw was found in OVN (Open Virtual Network). A remote attacker, by sending crafted DHCPv6 (Dynamic Host…
- CVE-2022-20870 — High (CVSS 8.6): A vulnerability in the egress MPLS packet processing function of Cisco IOS XE Software for Cisco Catalyst 3650,…