What is CVE-2020-27569?

CVE-2020-27569 is a high-severity vulnerability in Aviatrix Openvpn, classified under Incorrect Default Permissions. CVSS score: 7.5/10. Published 2021-04-21.

How severe is CVE-2020-27569?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Aviatrix Openvpn

CVE-2020-27569

Arbitrary File Write exists in Aviatrix VPN Client 2.8.2 and earlier. The VPN service writes logs to a location that is world writable and can be leveraged to gain write access to any file on the system.

Published 2021-04-21 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.009 (58.1th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 58.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Aviatrix Openvpn

Weakness classification (CWE)

CWE-276 — Incorrect Default Permissions

References

docs.aviatrix.com/HowTos/security_bulletin_article.html (Not Applicable, Vendor Advisory)

Frequently asked questions

What is CVE-2020-27569?: CVE-2020-27569 is a high-severity vulnerability in Aviatrix Openvpn, classified under Incorrect Default Permissions. CVSS score: 7.5/10. Published 2021-04-21.
How severe is CVE-2020-27569?: High severity. CVSS v3 base score is 7.5 out of 10.