Vulnerability Name:

CVE-2021-38441 (CCN-213343)

Assigned:2021-11-11
Published:2021-11-11
Updated:2022-05-13
Summary: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.
CVSS v3 Severity:9.8 Critical (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
8.5 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
6.6 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H)
5.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): High
CVSS v2 Severity:7.5 High (CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
5.7 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:P/I:P/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Complete
Vulnerability Type:CWE-123
Vulnerability Consequences:Bypass Security
References:Source: MITRE
Type: CNA
CVE-2021-38441

Source: XF
Type: UNKNOWN
cyclonedds-cve202138441-sec-bypass(213343)

Source: CCN
Type: CycloneDDS GIT Repository
cyclonedds

Source: CONFIRM
Type: Product
https://projects.eclipse.org/projects/iot.cyclonedds

Source: CCN
Type: ICSA-21-315-02
Multiple Data Distribution Service (DDS) Implementations

Source: CONFIRM
Type: Third Party Advisory, US Government Resource
https://www.cisa.gov/uscert/ics/advisories/icsa-21-315-02

Source: CCN
Type: Eclipse IOT Web site
Eclipse

Vulnerable Configuration:Configuration 1:
  • cpe:/a:eclipse:cyclonedds:*:*:*:*:*:*:*:* (Version < 0.8.0)

    • * Denotes that component is vulnerable
    BACK
    eclipse cyclonedds *