CVE-2020-27569: aviatrix openvpn Incorrect Default Permissions
CVSS: 7.5v3.1HighModified
AliasesALPINE-CVE-2020-27569CGA-g89x-rmq8-g474CGA-hg89-m3wx-wxcm
Published 21-04-2021Last modified 04-08-2024
Vulnerability summary
CVE-2020-27569 is a high (CVSS 7.5) Incorrect Default Permissions vulnerability in aviatrix openvpn. EPSS estimates a 0.90% chance of exploitation in the next 30 days, higher than 59% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.1 (NVD)EPSS score
0.90%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 0 · Related 2Timeline
- 21-04-2021PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
5 scores · 4 sources · 2 versionsHigh 7.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:NSourcesAll 4 agree
- OSV · AlpineEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- OSV · WolfiEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- OSV · ChainguardEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:P/A:NSourcesSingle source
EPSS trend
Probability
0.90%
Chance of exploitation in the next 30 days
Percentile
59%
Versus all other CVEs
30-day change
0.00 pp
From 0.90% on 20-09-2026
20-09-202620-10-2026
EPSS score0.90%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Alpine1 product
- openvpnAll versions (No fix recorded)
Aviatrix1 product
- openvpn≤ 2.8.2
Chainguard1 product
- openvpnAll versions (No fix recorded)
Wolfi1 product
- openvpnAll versions (No fix recorded)
4 vendors · 4 products
References
2 links- docs.aviatrix.com/HowTos/security_bulletin_article.htmlX Refsource CONFIRMAdvisoryNot ApplicableVendor Advisory