Ubuntu.comUB:CVE-2021-20206CVE-2021-20206
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:S/C:P/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS
Percentile
47.3%
An improper limitation of path name flaw was found in
containernetworking/cni in versions before 0.8.1. When specifying the
plugin to load in the ‘type’ field in the network configuration, it is
possible to use special elements such as “…/” separators to reference
binaries elsewhere on the system. This flaw allows an attacker to execute
other existing binaries other than the cni plugins/types, such as ‘reboot’.
The highest threat from this vulnerability is to confidentiality,
integrity, as well as system availability.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| ubuntu | 18.04 | noarch | golang-github-appc-cni | < any | UNKNOWN |
| ubuntu | 20.04 | noarch | golang-github-appc-cni | < any | UNKNOWN |
| ubuntu | 22.04 | noarch | golang-github-appc-cni | < any | UNKNOWN |
| ubuntu | 24.04 | noarch | golang-github-appc-cni | < any | UNKNOWN |
Related
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:S/C:P/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS
Percentile
47.3%