How severe is CVE-2024-12831?

CVE-2024-12831 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-12831 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-12831?

CVE-2024-12831 affects Arista Ng Firewall. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-12831?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2024-12831 have an EU (EUVD) identifier?

Yes. CVE-2024-12831 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-51133.

When was CVE-2024-12831 published?

CVE-2024-12831 was published on 2024-12-20 and last updated on 2026-06-17.

CVE-2024-12831

CVE-2024-12831 is a high-severity vulnerability in Arista Ng Firewall with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-863.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (6th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-51133
Weakness: CWE-863
Affected product: Arista Ng Firewall
Published: 2024-12-20
Last modified: 2026-06-17

Description

Arista NG Firewall uvm_login Incorrect Authorization Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Arista NG Firewall. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the uvm_login module. The issue results from incorrect authorization. An attacker can leverage this to escalate privileges to resources normally protected from the user. Was ZDI-CAN-24324.

Frequently asked questions

What is CVE-2024-12831?: Arista NG Firewall uvm_login Incorrect Authorization Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Arista NG Firewall. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the uvm_login module. The issue results from incorrect authorization. An attacker can leverage this to escalate privileges to resources normally protected from the user. Was ZDI-CAN-24324.
How severe is CVE-2024-12831?: CVE-2024-12831 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-12831 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-12831?: CVE-2024-12831 affects Arista Ng Firewall. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-12831?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2024-12831 have an EU (EUVD) identifier?: Yes. CVE-2024-12831 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-51133.
When was CVE-2024-12831 published?: CVE-2024-12831 was published on 2024-12-20 and last updated on 2026-06-17.

References

https://www.zerodayinitiative.com/advisories/ZDI-24-1720/

Affected products (1)

cpe:2.3:a:arista:ng_firewall:17.1.1:*:*:*:*:*:*:*

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