Critical severity · published May 5, 2022
CVE-2021-38443
Eclipse CycloneDDS versions prior to 0.8.0 improperly handle invalid structures, which may allow an attacker to write arbitrary values in the XML parser
9.8
CVSS
2.1%
EPSS
No
On KEV
Description
Eclipse CycloneDDS versions prior to 0.8.0 improperly handle invalid structures, which may allow an attacker to write arbitrary values in the XML parser.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.1% · higher than 82% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CY
Cyclonedds · Eclipse
before 0.8.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-38443
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-38443
Product
https://projects.eclipse.org/projects/iot.cyclonedds
Third Party Advisory
https://www.cisa.gov/uscert/ics/advisories/icsa-21-315-02
More from Cyclonedds
9.8
CVE-2021-38441
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