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CVE Record

CVE-2020-26548: An issue was discovered in Aviatrix Controller before R5.4.1290.

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.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

Aviatrix Controller versions before R5.4.1290 had an unsafe sudo configuration. One existing user could run any system command as any user, which can turn limited system access into full host control. The sources do not provide CVSS, CWE, or confirmed exploitation evidence.

Executive priority

Treat this as high priority for affected Aviatrix Controller deployments because controller compromise can affect cloud networking control. Prioritize version verification and upgrade planning, especially for internet-reachable or broadly administered controllers.

Technical view

CVE-2020-26548 describes an insecure sudo rule in Aviatrix Controller before R5.4.1290. The rule allowed a user account to execute all commands as any user on the controller system. This is a local privilege-escalation risk and may be more serious if chained with separate access vulnerabilities.

Likely exposure

Organizations running Aviatrix Controller releases before R5.4.1290 are potentially exposed. Evidence provided does not identify cloud editions, appliance configurations, or specific deployment conditions beyond the version boundary.

Exploitation context

The source bundle does not show CISA KEV listing or confirmed active exploitation. Practical abuse likely requires access to the affected controller host or the privileged local account, or chaining with another weakness that provides such access.

Researcher notes

The public data is sparse: no CVSS vector, CWE, exploit details, or named account are included in the provided bundle. Analysis should stay focused on version exposure, sudoers review, and whether other Aviatrix vulnerabilities could provide initial access.

Mitigation direction

  • Inventory Aviatrix Controller instances and record exact versions.
  • Upgrade controllers before R5.4.1290 to R5.4.1290 or a supported newer release.
  • Review vendor guidance before applying production changes.
  • Audit sudoers configuration and local accounts on controller hosts.
  • Restrict administrative and shell access to controller systems.
  • Investigate and rotate credentials if controller compromise is suspected.

Validation and detection

  • Confirm no Aviatrix Controller instance runs below R5.4.1290.
  • Review sudoers entries for unrestricted command execution by non-root users.
  • Check authentication, shell, and sudo logs for unusual controller activity.
  • Verify management access is limited to trusted administrators and networks.
  • Document remediation status for each controller instance.
Prepared
Confidence
medium
Sources
3

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

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CVE-2020-26548 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.