How severe is CVE-2020-26552?

CVE-2020-26552 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2020-26552 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-26552?

CVE-2020-26552 affects Aviatrix Controller. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-26552?

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-2020-26552 published?

CVE-2020-26552 was published on 2020-11-17 and last updated on 2026-06-17.

CVE-2020-26552

CVE-2020-26552 is a high-severity vulnerability in Aviatrix Controller with a CVSS 3.x base score of 7.5. 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 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (63rd 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 R6.0.2483. Multiple executable files, that implement API endpoints, do not require a valid session ID for access.

Frequently asked questions

What is CVE-2020-26552?: An issue was discovered in Aviatrix Controller before R6.0.2483. Multiple executable files, that implement API endpoints, do not require a valid session ID for access.
How severe is CVE-2020-26552?: CVE-2020-26552 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2020-26552 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-26552?: CVE-2020-26552 affects Aviatrix Controller. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-26552?: 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-2020-26552 published?: CVE-2020-26552 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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