CVE-2021-28507
Last modified
CVE-2021-28507 is a high-severity vulnerability rated 7.1/10 on the CVSS scale. 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.. EPSS estimates a 0.67% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Arista | Eos | >= 4.23.0, <= 4.23.9m |
| Arista | Eos | >= 4.24.0, <= 4.24.7m |
| Arista | Eos | >= 4.25.0, <= 4.25.3 |
| Arista | Eos | >= 4.25.4, <= 4.25.4m |
| Arista | Eos | >= 4.25.5, <= 4.25.5.1m |
| Arista | Eos | >= 4.26.0, <= 4.26.2f |
| Arista | Eos | 4.21.0f |
| Arista | Eos | 4.21.1f |
| Arista | Eos | 4.21.3f |
| Arista | Eos | 4.22.0f |
| Arista | Eos | 4.22.1f |
References
- https://www.arista.com/en/support/advisories-notices/security-advisories/13449-security-advisory-0071Exploit, Mitigation, Patch, Vendor Advisory
- https://www.arista.com/en/support/advisories-notices/security-advisories/13449-security-advisory-0071Exploit, Mitigation, Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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