CVE-2021-28507
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:S/C:P/I:P/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N
EPSS
Percentile
24.8%
An issue has recently been discovered in Arista EOS where, under certain conditions, the service ACL configured for OpenConfig gNOI and OpenConfig RESTCONF might be bypassed, which results in the denied requests being forwarded to the agent.
Affected configurations
| Vendor | Product | Version | CPE |
|---|---|---|---|
| arista | eos | * | cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* |
| arista | eos | 4.21.0f | cpe:2.3:o:arista:eos:4.21.0f:*:*:*:*:*:*:* |
| arista | eos | 4.21.1f | cpe:2.3:o:arista:eos:4.21.1f:*:*:*:*:*:*:* |
| arista | eos | 4.21.3f | cpe:2.3:o:arista:eos:4.21.3f:*:*:*:*:*:*:* |
| arista | eos | 4.22.0f | cpe:2.3:o:arista:eos:4.22.0f:*:*:*:*:*:*:* |
| arista | eos | 4.22.1f | cpe:2.3:o:arista:eos:4.22.1f:*:*:*:*:*:*:* |
Related
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:S/C:P/I:P/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N
EPSS
Percentile
24.8%