Back
CVE-2021-38445
OCI OpenDDS Secure Improper Handling of Length Parameter Inconsistency
High7.0EPSS 2.7%
- Published
- Updated
- Reserved
- Assigned by
- icscert
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.
Timeline
ID reserved
By icscert
- 9 months later
· 9 months later
Published
- 3 years later
· 3 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| icscertCNA (assigner) | 3.1 | High7.0 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H |
| NVDNVD · Modified | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 2.7% · top 14% of all CVEs (7 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.0.
Weakness
Affected products
What to do
Solution: OCI recommends users update to version 3.18.1 of OpenDDS or later.
References (2)
- https://www.cisa.gov/uscert/ics/advisories/icsa-21-315-02 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://opendds.org/ (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2021-38445)Record last updated .