CVSS2
Attack Vector
LOCAL
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:L/AC:M/Au:N/C:P/I:P/A:N
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
AI Score
Confidence
High
EPSS
Percentile
18.0%
Justin Steven discovered that fwupd incorrectly handled certain signature
verification. An attacker could possibly use this issue to install an unsigned
firmware.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Ubuntu | 20.04 | noarch | fwupd | < 1.3.9-4ubuntu0.1 | UNKNOWN |
Ubuntu | 20.04 | noarch | fwupd-amd64-signed-template | < 1.3.9-4ubuntu0.1 | UNKNOWN |
Ubuntu | 20.04 | noarch | fwupd-dbgsym | < 1.3.9-4ubuntu0.1 | UNKNOWN |
Ubuntu | 20.04 | noarch | fwupd-doc | < 1.3.9-4ubuntu0.1 | UNKNOWN |
Ubuntu | 20.04 | noarch | fwupd-tests | < 1.3.9-4ubuntu0.1 | UNKNOWN |
Ubuntu | 20.04 | noarch | fwupd-tests-dbgsym | < 1.3.9-4ubuntu0.1 | UNKNOWN |
Ubuntu | 20.04 | noarch | gir1.2-fwupd-2.0 | < 1.3.9-4ubuntu0.1 | UNKNOWN |
Ubuntu | 20.04 | noarch | gir1.2-fwupdplugin-1.0 | < 1.3.9-4ubuntu0.1 | UNKNOWN |
Ubuntu | 20.04 | noarch | libfwupd-dev | < 1.3.9-4ubuntu0.1 | UNKNOWN |
Ubuntu | 20.04 | noarch | libfwupd2 | < 1.3.9-4ubuntu0.1 | UNKNOWN |
CVSS2
Attack Vector
LOCAL
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:L/AC:M/Au:N/C:P/I:P/A:N
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
AI Score
Confidence
High
EPSS
Percentile
18.0%