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CVE-2021-20145

HIGHCVSS 7.5/10EPSS 1.24%

Last modified

CVE-2021-20145 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Gryphon Tower routers contain an unprotected openvpn configuration file which can grant attackers access to the Gryphon homebound VPN network which exposes the LAN interfaces of other users' devices connected to the same service. An attacker could leverage this to make configuration changes to, or otherwise attack victims' devices as though they were on an adjacent network.. EPSS estimates a 1.24% chance of exploitation in the next 30 days.

Description

Gryphon Tower routers contain an unprotected openvpn configuration file which can grant attackers access to the Gryphon homebound VPN network which exposes the LAN interfaces of other users' devices connected to the same service. An attacker could leverage this to make configuration changes to, or otherwise attack victims' devices as though they were on an adjacent network.

Metrics

CVSS 3.1
7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS Probability
1.24%

65.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
GryphonconnectGryphon Tower Firmware<= 04.0004.12

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-20145?
Gryphon Tower routers contain an unprotected openvpn configuration file which can grant attackers access to the Gryphon homebound VPN network which exposes the LAN interfaces of other users' devices connected to the same service. An attacker could leverage this to make configuration changes to, or otherwise attack victims' devices as though they were on an adjacent network.
How severe is CVE-2021-20145?
CVE-2021-20145 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.24% probability of exploitation in the next 30 days.
How do I fix CVE-2021-20145?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-20145?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST