How severe is CVE-2020-26548?

CVE-2020-26548 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-26548 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-26548?

CVE-2020-26548 affects Aviatrix Controller. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-26548?

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.

When was CVE-2020-26548 published?

CVE-2020-26548 was published on 2020-11-17 and last updated on 2026-06-17.

CVE-2020-26548

CVE-2020-26548 is a high-severity vulnerability in Aviatrix Controller with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 9.0
EPSS exploit prediction: 1% (70th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Aviatrix Controller
Published: 2020-11-17
Last modified: 2026-06-17

Description

An issue was discovered in Aviatrix Controller before R5.4.1290. There is an insecure sudo rule: a user exists that can execute all commands as any user on the system.

Frequently asked questions

What is CVE-2020-26548?: An issue was discovered in Aviatrix Controller before R5.4.1290. There is an insecure sudo rule: a user exists that can execute all commands as any user on the system.
How severe is CVE-2020-26548?: CVE-2020-26548 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-26548 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-26548?: CVE-2020-26548 affects Aviatrix Controller. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-26548?: 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.
When was CVE-2020-26548 published?: CVE-2020-26548 was published on 2020-11-17 and last updated on 2026-06-17.

References

https://www.criticalstart.com/multiple-vulnerabilities-discovered-in-aviatrix/

Affected products (1)

cpe:2.3:a:aviatrix:controller:5.3.1516:*:*:*:*:*:*:*

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