CISA KEV · Known exploitedCritical

CVE-2021-40870

Aviatrix Aviatrix Controller

An issue was discovered in Aviatrix Controller 6.x before 6.5-1804.1922. Unrestricted upload of a file with a dangerous type is possible, which allows an unauthenticated user to execute arbitrary code via directory traversal.

CVSS
9.8
EPSS
93.0%
99.8% percentile
CISA KEV
Listed
Published
2021.09.13
PRIORITY ASSESSMENT

Immediate review

CISA has listed this vulnerability in the Known Exploited Vulnerabilities catalog.

Known exploitationConfirmed by CISA KEV
Exploit probability93.0%
Technical severityCVSS 9.8

Vulnerability overview

An issue was discovered in Aviatrix Controller 6.x before 6.5-1804.1922. Unrestricted upload of a file with a dangerous type is possible, which allows an unauthenticated user to execute arbitrary code via directory traversal.

Affected product and versions

Product
Aviatrix Aviatrix Controller
Affected versions
>= 6.2 < 6.2.2043, >= 6.3 < 6.3.2490, >= 6.4 < 6.4.2838, >= 6.5 < 6.5.1922
Fixed versions
6.2.2043, 6.3.2490, 6.4.2838, 6.5.1922

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
CISA required action

Apply updates per vendor instructions.

Due date: 2022.02.01
  1. 1
    Identify

    Confirm that Aviatrix Aviatrix Controller and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
CWE-23, CWE-25, CWE-96
KEV added
2022.01.18
Ransomware use
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