Two improper access control vulnerabilities in Arista EOS
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2025-1259 CVE-2025-1260 |
| CWE-ID | CWE-284 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software |
Arista Extensible Operating System (EOS) Operating systems & Components / Operating system |
| Vendor | Arista Networks |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
1) Improper access control
EUVDB-ID: #VU109385
Risk: Medium
CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID: CVE-2025-1259
CWE-ID:
CWE-284 - Improper Access Control
Exploit availability: No
DescriptionThe vulnerability allows a remote user to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to improper access restrictions when handling gNOI requests. A remote user can bypass implemented security restrictions and gain access to sensitive information.
Install updates from vendor's website.
Vulnerable software versionsArista Extensible Operating System (EOS): before
CPE2.3 External linkshttps://www.arista.com/en/support/advisories-notices/security-advisory/21098-security-advisory-0111
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Improper access control
EUVDB-ID: #VU109386
Risk: Medium
CVSSv4.0: 6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID: CVE-2025-1260
CWE-ID:
CWE-284 - Improper Access Control
Exploit availability: No
DescriptionThe vulnerability allows a remote user to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to improper access restrictions when handling gNOI requests. A remote privileged user can bypass implemented security restrictions and reconfigure the switch.
Install updates from vendor's website.
Vulnerable software versionsArista Extensible Operating System (EOS): before
CPE2.3 External linkshttps://www.arista.com/en/support/advisories-notices/security-advisory/21098-security-advisory-0111
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
