CVE-2021-28507
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.
Severity Score
7.1
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
1
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
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.
Se ha detectado recientemente un problema en Arista EOS donde, bajo determinadas condiciones, la ACL de servicio configurada para OpenConfig gNOI y OpenConfig RESTCONF podría saltarse, lo que hace que las peticiones denegadas se reenvíen al agente
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2021-03-16 CVE Reserved
- 2022-01-14 CVE Published
- 2023-08-07 EPSS Updated
- 2024-09-17 CVE Updated
- 2024-09-17 First Exploit
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-284: Improper Access Control
CAPEC
References (1)
| URL | Tag | Source |
|---|
| URL | Date | SRC |
|---|---|---|
| https://www.arista.com/en/support/advisories-notices/security-advisories/13449-security-advisory-0071 | 2024-09-17 |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Arista Search vendor "Arista" | Eos Search vendor "Arista" for product "Eos" | >= 4.23.0 <= 4.23.9m Search vendor "Arista" for product "Eos" and version " >= 4.23.0 <= 4.23.9m" | - |
Affected
| ||||||
| Arista Search vendor "Arista" | Eos Search vendor "Arista" for product "Eos" | >= 4.24.0 <= 4.24.7m Search vendor "Arista" for product "Eos" and version " >= 4.24.0 <= 4.24.7m" | - |
Affected
| ||||||
| Arista Search vendor "Arista" | Eos Search vendor "Arista" for product "Eos" | >= 4.25.0 <= 4.25.3 Search vendor "Arista" for product "Eos" and version " >= 4.25.0 <= 4.25.3" | - |
Affected
| ||||||
| Arista Search vendor "Arista" | Eos Search vendor "Arista" for product "Eos" | >= 4.25.4 <= 4.25.4m Search vendor "Arista" for product "Eos" and version " >= 4.25.4 <= 4.25.4m" | - |
Affected
| ||||||
| Arista Search vendor "Arista" | Eos Search vendor "Arista" for product "Eos" | >= 4.25.5 <= 4.25.5.1m Search vendor "Arista" for product "Eos" and version " >= 4.25.5 <= 4.25.5.1m" | - |
Affected
| ||||||
| Arista Search vendor "Arista" | Eos Search vendor "Arista" for product "Eos" | >= 4.26.0 <= 4.26.2f Search vendor "Arista" for product "Eos" and version " >= 4.26.0 <= 4.26.2f" | - |
Affected
| ||||||
| Arista Search vendor "Arista" | Eos Search vendor "Arista" for product "Eos" | 4.21.0f Search vendor "Arista" for product "Eos" and version "4.21.0f" | - |
Affected
| ||||||
| Arista Search vendor "Arista" | Eos Search vendor "Arista" for product "Eos" | 4.21.1f Search vendor "Arista" for product "Eos" and version "4.21.1f" | - |
Affected
| ||||||
| Arista Search vendor "Arista" | Eos Search vendor "Arista" for product "Eos" | 4.21.3f Search vendor "Arista" for product "Eos" and version "4.21.3f" | - |
Affected
| ||||||
| Arista Search vendor "Arista" | Eos Search vendor "Arista" for product "Eos" | 4.22.0f Search vendor "Arista" for product "Eos" and version "4.22.0f" | - |
Affected
| ||||||
| Arista Search vendor "Arista" | Eos Search vendor "Arista" for product "Eos" | 4.22.1f Search vendor "Arista" for product "Eos" and version "4.22.1f" | - |
Affected
| ||||||