HIGH
CVE-2020-27569
CWE-276Published: April 21, 2021· Updated: Jun 17, 2026
7.5
CVSS v3.1
Official Description
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.
Technical Analysis
CVE-2020-27569 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in full integrity compromise (data manipulation), with a CVSS base score of 7.5.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityHigh
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Affected Vendors & Products
aviatrix1 product(s)
openvpn
Source: NVD CPE · 1 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (2)
→
https://docs.aviatrix.com/HowTos/security_bulletin_article.html#openvpn-abitrary-file-writeNot Applicable · Vendor Advisory
→
https://docs.aviatrix.com/HowTos/security_bulletin_article.html#openvpn-abitrary-file-writeNot Applicable · Vendor Advisory
Quick Facts
CVE IDCVE-2020-27569
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-276
CISA KEVNo
Affected1 vendor(s)
PublishedApr 21, 2021
Related CVEs (CWE-276)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2020-27569 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.