Vulnerability · Published May 5, 2022 · Assigned by icscert
CVE-2021-38441Eclipse CycloneDDS Write-what-where Condition
Medium 6.6
In plain English
A medium-severity security flaw in CycloneDDS from Eclipse. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.1% (higher than 82% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)6.6Medium
Exploit odds (30 days)2.1%top 17.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Eclipse CycloneDDS versions prior to 0.8.0 are vulnerable to a write-what-where condition, which may allow an attacker to write arbitrary values in the XML parser.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | cyclonedds | 0.8.1-2 | DEBIAN-CVE-2021-38441 |
| Debian:13 | cyclonedds | 0.8.1-2 | DEBIAN-CVE-2021-38441 |
| Debian:14 | cyclonedds | 0.8.1-2 | DEBIAN-CVE-2021-38441 |
| Ubuntu:22.04:LTS | cyclonedds | no fix listed | UBUNTU-CVE-2021-38441 |
| Ubuntu:24.04:LTS | cyclonedds | no fix listed | UBUNTU-CVE-2021-38441 |
| Ubuntu:25.10 | cyclonedds | no fix listed | UBUNTU-CVE-2021-38441 |
| Ubuntu:26.04:LTS | cyclonedds | no fix listed | UBUNTU-CVE-2021-38441 |
| Ubuntu:26.10 | cyclonedds | no fix listed | UBUNTU-CVE-2021-38441 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Eclipse | CycloneDDS | unspecified – before 0.8.0 |
Weakness: CWE-123 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H
References
- https://www.cisa.gov/uscert/ics/advisories/icsa-21-315-02 x_refsource_CONFIRM
- https://projects.eclipse.org/projects/iot.cyclonedds x_refsource_CONFIRM