Security readout for executives and security teams
Plain-English summary
Aviatrix Controller versions before R6.0.2483 had API functions that could allow arbitrary file uploads into the web tree. For executives, the concern is unauthorized content or potentially hostile files placed where the Controller serves web content. The public bundle does not provide CVSS, exploit details, or proof of active exploitation.
Executive priority
Prioritize remediation for any exposed Aviatrix Controller because arbitrary file upload on a cloud networking controller can create meaningful compromise risk. Urgency is lower where the Controller is already updated or tightly isolated, but version verification should be prompt.
Technical view
CVE-2020-26553 describes arbitrary file upload via several Aviatrix Controller APIs before R6.0.2483, with uploaded files reaching the web tree. The sources do not specify authentication requirements, endpoint names, file execution behavior, CVSS metrics, or CWE mapping, so impact depends on deployment exposure and server handling of uploaded files.
Likely exposure
Exposure is limited to Aviatrix Controller installations before R6.0.2483. Risk is higher where the Controller or its APIs are reachable from untrusted networks. The source bundle does not identify affected cloud environments, configurations, or CPEs.
Exploitation context
The provided sources do not show active exploitation, and the CVE is not listed as KEV in the bundle. No exploit code, attack chain, or required privileges are provided. Treat exploitability details as incomplete.
Researcher notes
Key missing details are authentication requirements, affected API names, file type constraints, and whether uploaded files can execute server-side. Avoid assuming remote code execution from the CVE text alone; validate behavior only in authorized lab environments.
Mitigation direction
- Upgrade Aviatrix Controller to R6.0.2483 or later if vendor guidance confirms applicability.
- Review Aviatrix advisory guidance for fixed builds and any interim controls.
- Restrict Controller and API access to trusted administrative networks.
- Inspect web-accessible directories for unexpected uploaded files.
Validation and detection
- Inventory Aviatrix Controller versions and flag any build before R6.0.2483.
- Confirm whether Controller APIs are internet-exposed or reachable by broad internal networks.
- Review Controller web tree contents for unauthorized or recently added files.
- Check logs for unusual API upload activity, if relevant logs are retained.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2020-26553 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://www.criticalstart.com/multiple-vulnerabilities-discovered-in-aviatrix/CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.